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Posted to commits@cassandra.apache.org by "Taras Puchko (JIRA)" <ji...@apache.org> on 2011/07/29 14:01:10 UTC

[jira] [Created] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

AssertionError during compaction of CF with counter columns
-----------------------------------------------------------

                 Key: CASSANDRA-2968
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 0.8.2
         Environment: CentOS release 5.6
            Reporter: Taras Puchko


Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got

Error occured during compaction
java.util.concurrent.ExecutionException: java.lang.AssertionError
        at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
        at java.util.concurrent.FutureTask.get(FutureTask.java:83)
        at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
        at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
        at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
        at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
        at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
        at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
        at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
        at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
        at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
        at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
        at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
        at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
        at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
        at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
        at sun.rmi.transport.Transport$1.run(Transport.java:159)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.AssertionError                                                                                                                                                                                                          
        at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
        at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
        at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
        at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
        at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
        at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
        at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
        at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
        at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
        at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
        at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
        at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
        at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
        at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
        at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
        ... 3 more

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[jira] [Commented] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073217#comment-13073217 ] 

Andriy Denysenko commented on CASSANDRA-2968:
---------------------------------------------

yes, sstable likely corrupted but by which code? 0.8.0 or 0.8.2?

sstable2json AffiliateActivity-g-195-Data.db
(first row is parsed ok, second has state.getCount()==state.getClock())

....
"00000000019d499f": [["clicks","000100012335e4a0b2c911e000006bb62b336af7000000000000285c000000000000285c23d44780b2c911e00000f03fd2ec87ff0000000000000002000000000000000225188750b
2c911e0000058b7809d76ff00000000000000690000000000000069",1311664683623,"c",-9223372036854775808]],
"0000000000748b45": [["clicks","000100012335e4a0b2c911e000006bb62b336af78143c702fe516b748143c702fe516b7423d44780b2c911e00000f03fd2ec87ff000000000000b3c0000000000000b3c025188750b
2c911e0000058b7809d76fff082e59147f68e9cf082e59147f68e9c",1311665756252,"c",-9223372036854775808]],
....

cassandra-cli:
get AffiliateActivity[27085215];          
=> (counter=clicks, value=10439) - reasonable value

get AffiliateActivity[7637829]; 
=> (counter=clicks, value=8198429924508872144) - nonsense value



> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>         Attachments: AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Updated] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Sylvain Lebresne (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne updated CASSANDRA-2968:
----------------------------------------

    Attachment: 2968.patch

This is actually a pretty stupid bug (not that there is smart bug): the old NodeId for the local node were read from the system table in reversed order while they shouldn't. The wrong path was then taken based on that mistake. No data was lost due to that (i.e, the total value of the counters is preserved), but non-sensical counter context were created (hence triggering the assertion).

Fixing the root cause is pretty straightforward. Fixing the nonsensical counter contexts is more subtle, but it is doable up to the fact that the local NodeId on the node(s) where the assertion is triggered will have to be renewed. Attaching a patch that does both (fixing root cause and repairing the bad data). Also add two unit tests, one for the root cause and one to check that the bad data repair code does what it is supposed to do.

After applying that patch (or upgrading on a release shipping it), you will (potentially) need to restart the node with the -Dcassandra.renew_counter_id=true (compaction will still fail if you don't but with a message saying that you should restart with the startup flag).

> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: 2968.patch, AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Commented] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Hudson (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13076300#comment-13076300 ] 

Hudson commented on CASSANDRA-2968:
-----------------------------------

Integrated in Cassandra-0.8 #252 (See [https://builds.apache.org/job/Cassandra-0.8/252/])
    Fix assertion error during compaction of counter CFs
patch by slebresne; reviewed by jbellis for CASSANDRA-2968

slebresne : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1153156
Files : 
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/db/compaction/LazilyCompactedRow.java
* /cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/SchemaLoader.java
* /cassandra/branches/cassandra-0.8/CHANGES.txt
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/db/SystemTable.java
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/utils/NodeId.java
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/db/context/CounterContext.java
* /cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/db/compaction/PrecompactedRow.java
* /cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/CounterMutationTest.java


> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: 2968.patch, AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Issue Comment Edited] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073170#comment-13073170 ] 

Andriy Denysenko edited comment on CASSANDRA-2968 at 7/30/11 1:21 PM:
----------------------------------------------------------------------

Reproducible test case for this bug:

create column family AffiliateActivity with default_validation_class=CounterColumnType
   and key_validation_class=LongType and comparator=AsciiType
   and memtable_throughput=30
   and memtable_operations=0.5
   and replicate_on_write=true;

put AffiliateActivity-g-195-Data.db and AffiliateActivity-g-195-Index.db(attached) into cassandra data directory for some keyspace and run nodetool scrub

Those AffiliateActivity-g-195 data files were originally created with cassandra 0.8

java.io.IOError: java.lang.AssertionError
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:775)
	at org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:631)
	at org.apache.cassandra.db.compaction.CompactionManager.access$600(CompactionManager.java:65)
	at org.apache.cassandra.db.compaction.CompactionManager$3.call(CompactionManager.java:251)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.AssertionError
	at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)
	at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:146)
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:719)
	... 8 more




      was (Author: andrden):
    Reproducible test case for this bug:

create column family AffiliateActivity with default_validation_class=CounterColumnType
   and key_validation_class=LongType and comparator=AsciiType
   and memtable_throughput=30
   and memtable_operations=0.5
   and replicate_on_write=true;

put AffiliateActivity-g-195-Data.db and AffiliateActivity-g-195-Index.db into cassandra data directory for some keyspace and run nodetool scrub

Those AffiliateActivity-g-195 data files were originally created with cassandra 0.8

java.io.IOError: java.lang.AssertionError
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:775)
	at org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:631)
	at org.apache.cassandra.db.compaction.CompactionManager.access$600(CompactionManager.java:65)
	at org.apache.cassandra.db.compaction.CompactionManager$3.call(CompactionManager.java:251)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.AssertionError
	at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)
	at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:146)
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:719)
	... 8 more



  
> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>         Attachments: AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Issue Comment Edited] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073170#comment-13073170 ] 

Andriy Denysenko edited comment on CASSANDRA-2968 at 7/30/11 1:22 PM:
----------------------------------------------------------------------

Reproducible test case for this bug:

create column family AffiliateActivity with default_validation_class=CounterColumnType
   and key_validation_class=LongType and comparator=AsciiType
   and memtable_throughput=30
   and memtable_operations=0.5
   and replicate_on_write=true;

put AffiliateActivity-g-195-Data.db and AffiliateActivity-g-195-Index.db (attached) into cassandra 0.8.2 data directory for some keyspace, then run cassandra server to open the files and run nodetool scrub

Those AffiliateActivity-g-195 data files were originally created with cassandra 0.8

java.io.IOError: java.lang.AssertionError
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:775)
	at org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:631)
	at org.apache.cassandra.db.compaction.CompactionManager.access$600(CompactionManager.java:65)
	at org.apache.cassandra.db.compaction.CompactionManager$3.call(CompactionManager.java:251)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.AssertionError
	at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)
	at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:146)
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:719)
	... 8 more




      was (Author: andrden):
    Reproducible test case for this bug:

create column family AffiliateActivity with default_validation_class=CounterColumnType
   and key_validation_class=LongType and comparator=AsciiType
   and memtable_throughput=30
   and memtable_operations=0.5
   and replicate_on_write=true;

put AffiliateActivity-g-195-Data.db and AffiliateActivity-g-195-Index.db(attached) into cassandra data directory for some keyspace and run nodetool scrub

Those AffiliateActivity-g-195 data files were originally created with cassandra 0.8

java.io.IOError: java.lang.AssertionError
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:775)
	at org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:631)
	at org.apache.cassandra.db.compaction.CompactionManager.access$600(CompactionManager.java:65)
	at org.apache.cassandra.db.compaction.CompactionManager$3.call(CompactionManager.java:251)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.AssertionError
	at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)
	at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:146)
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:719)
	... 8 more



  
> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>         Attachments: AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Updated] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andriy Denysenko updated CASSANDRA-2968:
----------------------------------------

    Attachment: AffiliateActivity-g-195-Index.db
                AffiliateActivity-g-195-Data.db

Reproducible test case for this bug:

create column family AffiliateActivity with default_validation_class=CounterColumnType
   and key_validation_class=LongType and comparator=AsciiType
   and memtable_throughput=30
   and memtable_operations=0.5
   and replicate_on_write=true;

put AffiliateActivity-g-195-Data.db and AffiliateActivity-g-195-Index.db into cassandra data directory for some keyspace and run nodetool scrub

Those AffiliateActivity-g-195 data files were originally created with cassandra 0.8

java.io.IOError: java.lang.AssertionError
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:775)
	at org.apache.cassandra.db.compaction.CompactionManager.doScrub(CompactionManager.java:631)
	at org.apache.cassandra.db.compaction.CompactionManager.access$600(CompactionManager.java:65)
	at org.apache.cassandra.db.compaction.CompactionManager$3.call(CompactionManager.java:251)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
Caused by: java.lang.AssertionError
	at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)
	at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)
	at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)
	at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:146)
	at org.apache.cassandra.db.compaction.CompactionManager.scrubOne(CompactionManager.java:719)
	... 8 more




> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>         Attachments: AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Commented] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Kyle Ambroff (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073369#comment-13073369 ] 

Kyle Ambroff commented on CASSANDRA-2968:
-----------------------------------------

For what it's worth I've seen this same bug in 0.8.1.

> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Updated] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andriy Denysenko updated CASSANDRA-2968:
----------------------------------------

    Attachment: AffiliateActivity-g-147-Index.db
                AffiliateActivity-g-147-Data.db

actually 0.8.2 continues to write non-compactable sstables :-(

AffiliateActivity-g-147-Data.db is a recent file written 3 days after upgrade from 0.8.0 to 0.8.2 and it cannot be even scrubbed

The pattern I can see is that we have only every other sstable file left in data directory - AffiliateActivity-g-133, 135, 137, 139, 141, 143, 145, 147. Not quite sure - but it seems 1 compaction is done to new files - otherwise where are the even numbered ones? - but those files which resulted from first compaction are broken?

Anyway that's purely 0.8.2 problem, not any upgrade issue

> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Updated] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-2968:
--------------------------------------

    Fix Version/s: 0.8.3
         Assignee: Sylvain Lebresne

> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Commented] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073184#comment-13073184 ] 

Andriy Denysenko commented on CASSANDRA-2968:
---------------------------------------------

Debugger shows at the exception breakpoint in the test case described that
"state.getCount()"	-9132236803706623116	
"state.getClock()"	-9132236803706623116	

and context.array() (exactly 100 bytes in size) is the following so the duplication is really there, 
and this record in sstable is likely corrupted - but how come!

000100012335e4a0b2c911e000006bb62b336af7 8143c702fe516b74 8143c702fe516b74
23d44780b2c911e00000f03fd2ec87ff000000000000b3c
0000000000000b3c025188750b2c911e0000058b7809d76fff082e59147f68e9cf082e59147f68e9c


> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>         Attachments: AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Issue Comment Edited] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073513#comment-13073513 ] 

Andriy Denysenko edited comment on CASSANDRA-2968 at 8/1/11 12:39 PM:
----------------------------------------------------------------------

no, I was wrong, compaction is not the culprit

I ran nodetool flush and produced 3 new small sstables - strangely they are all numbered with odd numbers only 153 155 157 - but the point is a freshly made sstable with only 8 rows is already unreadable by compaction/scrub.

Maybe header in counter binary value is not written or what...

{code}
{
"0000000000cc71a4": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201208019,"c",-9223372036854775808]],
"0000000000748b45": [["clicks","000100002335e4a0b2c911e000006bb62b336af7000000000000009f000000000000009f23d44780b2c911e00000f03fd2ec87ffa6cd8bac6eb8a32d2fd3c2059ade464925188750b2c911e0000058b7809d76ff9a8b961aed94ef799a8b961aed94ef79",1312201220709,"c",-9223372036854775808]],
"00000000010a4465": [["clicks","00002335e4a0b2c911e000006bb62b336af700000000000045ad00000000000045ad23d44780b2c911e00000f03fd2ec87ff0000000000004bfd0000000001fae30325188750b2c911e0000058b7809d76ff000000000000038f000000000000038f",1312201219737,"c",-9223372036854775808]],
"0000000001319592": [["clicks","000100002335e4a0b2c911e000006bb62b336af70000000000000001000000000000000123d44780b2c911e00000f03fd2ec87ffdf1636876c1c1bc2df1636876c1c1bc225188750b2c911e0000058b7809d76ff0876b1020dc02ac97f12b88d9f9df751",1312201215475,"c",-9223372036854775808]],
"0000000001b9a53e": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201202338,"c",-9223372036854775808]],
"00000000004dd84f": [["clicks","000100002335e4a0b2c911e000006bb62b336af70000000000000001000000000000000123d44780b2c911e00000f03fd2ec87ff000000000017d1550000000059fb2ad925188750b2c911e0000058b7809d76ff00000000000173bf00000000000173bf",1312201205636,"c",-9223372036854775808]],
"0000000000d1d52f": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000020000000000000002",1312201210515,"c",-9223372036854775808]],
"0000000001410d4a": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201220365,"c",-9223372036854775808]]
}
{code}

      was (Author: andrden):
    no, I was wrong, compaction is not the culprit

I ran nodetool flush and produced 3 new small sstables - strangely they are all numbered with odd numbers only 153 155 157 - but the point is a freshly made sstable with only 8 rows is already unreadable by compaction/scrub.

Maybe header in counter binary value is not written or what...


{
"0000000000cc71a4": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201208019,"c",-9223372036854775808]],
"0000000000748b45": [["clicks","000100002335e4a0b2c911e000006bb62b336af7000000000000009f000000000000009f23d44780b2c911e00000f03fd2ec87ffa6cd8bac6eb8a32d2fd3c2059ade464925188750b2c911e0000058b7809d76ff9a8b961aed94ef799a8b961aed94ef79",1312201220709,"c",-9223372036854775808]],
"00000000010a4465": [["clicks","00002335e4a0b2c911e000006bb62b336af700000000000045ad00000000000045ad23d44780b2c911e00000f03fd2ec87ff0000000000004bfd0000000001fae30325188750b2c911e0000058b7809d76ff000000000000038f000000000000038f",1312201219737,"c",-9223372036854775808]],
"0000000001319592": [["clicks","000100002335e4a0b2c911e000006bb62b336af70000000000000001000000000000000123d44780b2c911e00000f03fd2ec87ffdf1636876c1c1bc2df1636876c1c1bc225188750b2c911e0000058b7809d76ff0876b1020dc02ac97f12b88d9f9df751",1312201215475,"c",-9223372036854775808]],
"0000000001b9a53e": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201202338,"c",-9223372036854775808]],
"00000000004dd84f": [["clicks","000100002335e4a0b2c911e000006bb62b336af70000000000000001000000000000000123d44780b2c911e00000f03fd2ec87ff000000000017d1550000000059fb2ad925188750b2c911e0000058b7809d76ff00000000000173bf00000000000173bf",1312201205636,"c",-9223372036854775808]],
"0000000000d1d52f": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000020000000000000002",1312201210515,"c",-9223372036854775808]],
"0000000001410d4a": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201220365,"c",-9223372036854775808]]
}

  
> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Resolved] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Sylvain Lebresne (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne resolved CASSANDRA-2968.
-----------------------------------------

    Resolution: Fixed
      Reviewer: jbellis

Committed (without println), thanks

> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: 2968.patch, AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Commented] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Andriy Denysenko (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13073513#comment-13073513 ] 

Andriy Denysenko commented on CASSANDRA-2968:
---------------------------------------------

no, I was wrong, compaction is not the culprit

I ran nodetool flush and produced 3 new small sstables - strangely they are all numbered with odd numbers only 153 155 157 - but the point is a freshly made sstable with only 8 rows is already unreadable by compaction/scrub.

Maybe header in counter binary value is not written or what...


{
"0000000000cc71a4": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201208019,"c",-9223372036854775808]],
"0000000000748b45": [["clicks","000100002335e4a0b2c911e000006bb62b336af7000000000000009f000000000000009f23d44780b2c911e00000f03fd2ec87ffa6cd8bac6eb8a32d2fd3c2059ade464925188750b2c911e0000058b7809d76ff9a8b961aed94ef799a8b961aed94ef79",1312201220709,"c",-9223372036854775808]],
"00000000010a4465": [["clicks","00002335e4a0b2c911e000006bb62b336af700000000000045ad00000000000045ad23d44780b2c911e00000f03fd2ec87ff0000000000004bfd0000000001fae30325188750b2c911e0000058b7809d76ff000000000000038f000000000000038f",1312201219737,"c",-9223372036854775808]],
"0000000001319592": [["clicks","000100002335e4a0b2c911e000006bb62b336af70000000000000001000000000000000123d44780b2c911e00000f03fd2ec87ffdf1636876c1c1bc2df1636876c1c1bc225188750b2c911e0000058b7809d76ff0876b1020dc02ac97f12b88d9f9df751",1312201215475,"c",-9223372036854775808]],
"0000000001b9a53e": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201202338,"c",-9223372036854775808]],
"00000000004dd84f": [["clicks","000100002335e4a0b2c911e000006bb62b336af70000000000000001000000000000000123d44780b2c911e00000f03fd2ec87ff000000000017d1550000000059fb2ad925188750b2c911e0000058b7809d76ff00000000000173bf00000000000173bf",1312201205636,"c",-9223372036854775808]],
"0000000000d1d52f": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000020000000000000002",1312201210515,"c",-9223372036854775808]],
"0000000001410d4a": [["clicks","000100002335e4a0b2c911e000006bb62b336af700000000000000010000000000000001",1312201220365,"c",-9223372036854775808]]
}


> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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[jira] [Commented] (CASSANDRA-2968) AssertionError during compaction of CF with counter columns

Posted by "Jonathan Ellis (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/CASSANDRA-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13076217#comment-13076217 ] 

Jonathan Ellis commented on CASSANDRA-2968:
-------------------------------------------

+1 w/ println removed :)

> AssertionError during compaction of CF with counter columns
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-2968
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2968
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>         Environment: CentOS release 5.6
>            Reporter: Taras Puchko
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8.3
>
>         Attachments: 2968.patch, AffiliateActivity-g-147-Data.db, AffiliateActivity-g-147-Index.db, AffiliateActivity-g-195-Data.db, AffiliateActivity-g-195-Index.db
>
>
> Having upgraded from 0.8.0 to 0.8.2 we ran nodetool compact and got
> Error occured during compaction
> java.util.concurrent.ExecutionException: java.lang.AssertionError
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>         at org.apache.cassandra.db.compaction.CompactionManager.performMajor(CompactionManager.java:277)
>         at org.apache.cassandra.db.ColumnFamilyStore.forceMajorCompaction(ColumnFamilyStore.java:1762)
>         at org.apache.cassandra.service.StorageService.forceTableCompaction(StorageService.java:1358)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
>         at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
>         at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
>         at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
>         at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
>         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
>         at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
>         at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
>         at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
>         at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
>         at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
>         at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
>         at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305)
>         at sun.rmi.transport.Transport$1.run(Transport.java:159)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>         at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>         at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.AssertionError                                                                                                                                                                                                          
>         at org.apache.cassandra.db.context.CounterContext.removeOldShards(CounterContext.java:593)                                                                                                                                           
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:237)                                                                                                                                                     
>         at org.apache.cassandra.db.CounterColumn.removeOldShards(CounterColumn.java:256)                                                                                                                                                     
>         at org.apache.cassandra.db.compaction.PrecompactedRow.<init>(PrecompactedRow.java:88)                                                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionController.getCompactedRow(CompactionController.java:140)                                                                                                                            
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:123)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionIterator.getReduced(CompactionIterator.java:43)                                                                                                                                      
>         at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)                                                                                                                                                 
>         at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)                                                                                                                                            
>         at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)                                                                                                                                                     
>         at org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)                                                                                                                                    
>         at org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)                                                                                                                                           
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompactionWithoutSizeEstimation(CompactionManager.java:569)                                                                                                                
>         at org.apache.cassandra.db.compaction.CompactionManager.doCompaction(CompactionManager.java:506)                                                                                                                                     
>         at org.apache.cassandra.db.compaction.CompactionManager$4.call(CompactionManager.java:319)                                                                                                                                           
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)                                                                                                                                                                
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)                                                                                                                                                                          
>         ... 3 more

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