[jira] [Created] (CASSANDRA-13051) SSTable Corruption - Partition Key fails assertion

["Malte Pickhan (JIRA)" <ji...@apache.org>]

Malte Pickhan created CASSANDRA-13051:
-----------------------------------------

             Summary: SSTable Corruption - Partition Key fails assertion
                 Key: CASSANDRA-13051
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13051
             Project: Cassandra
          Issue Type: Bug
         Environment: Cassandra 3.7
Single DC
5 Nodes
RF 3
NetworkTopologyStrategy
OS: Ubuntu
            Reporter: Malte Pickhan


When running a repair the following exception is triggered:

{code}
java.lang.AssertionError: null  
at org.apache.cassandra.db.marshal.TimeUUIDType.compareCustom(TimeUUIDType.java:65) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.marshal.AbstractType.compare(AbstractType.java:157) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.dht.LocalPartitioner$LocalToken.compareTo(LocalPartitioner.java:139) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.dht.LocalPartitioner$LocalToken.compareTo(LocalPartitioner.java:120) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:85) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:39) ~[apache-cassandra-3.7.jar:3.7]  
at java.util.concurrent.ConcurrentSkipListMap.cpr(ConcurrentSkipListMap.java:655) ~[na:1.8.0_91]  
at java.util.concurrent.ConcurrentSkipListMap.doGet(ConcurrentSkipListMap.java:794) ~[na:1.8.0_91]  
at java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1546) ~[na:1.8.0_91]  
at org.apache.cassandra.db.Memtable.getPartition(Memtable.java:355) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.CompactionController.maxPurgeableTimestamp(CompactionController.java:221) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.CompactionIterator$Purger.getMaxPurgeableTimestamp(CompactionIterator.java:304) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.partitions.PurgeFunction.lambda$new$0(PurgeFunction.java:38) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.DeletionPurger.shouldPurge(DeletionPurger.java:33) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.rows.BTreeRow.purge(BTreeRow.java:386) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.partitions.PurgeFunction.applyToRow(PurgeFunction.java:88) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:120) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.transform.UnfilteredRows.isEmpty(UnfilteredRows.java:38) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.partitions.PurgeFunction.applyToPartition(PurgeFunction.java:64) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.partitions.PurgeFunction.applyToPartition(PurgeFunction.java:24) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:76) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60) ~[apache-cassandra-3.7.jar:3.7]  
at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264) ~[apache-cassandra-3.7.jar:3.7]  
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_91]  
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_91]  
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_91]  
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_91]  
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]  
{code}

One thing which would be nice is, to provide an actual message in the assertion in order to avoid this "null" string.  Furthermore it would be great to provide the data which caused the assertion to fail.

Actually I have no clue, how we triggered this, but I will see if I can find out something...



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