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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2009/11/06 18:51:32 UTC
[jira] Updated: (CASSANDRA-532) Flush creates empty SSTables if
nothing exists in that CF
[ https://issues.apache.org/jira/browse/CASSANDRA-532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-532:
-------------------------------------
Attachment: 532.patch
> Flush creates empty SSTables if nothing exists in that CF
> ---------------------------------------------------------
>
> Key: CASSANDRA-532
> URL: https://issues.apache.org/jira/browse/CASSANDRA-532
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.5
> Reporter: Chris Goffinet
> Assignee: Jonathan Ellis
> Fix For: 0.5
>
> Attachments: 532.patch
>
>
> When calling flush() through nodeprobe, we see SSTables being created that are empty for CFs:
> INFO [COMPACTION-POOL:1] 2009-11-05 22:58:09,515 ColumnFamilyStore.java (line 850) Compacting [org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-9-Data.db'),org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-10-Data.db'),org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-7-Data.db'),org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-11-Data.db'),org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-8-Data.db'),org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-5-Data.db'),org.apache.cassandra.io.SSTableReader(path='/mnt/cassandra/data/Digg/Buries-6-Data.db')]
> ERROR [COMPACTION-POOL:1] 2009-11-05 22:58:09,516 DebuggableThreadPoolExecutor.java (line 120) Error in executor futuretask
> java.util.concurrent.ExecutionException: java.lang.NullPointerException
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
> at java.util.concurrent.FutureTask.get(FutureTask.java:83)
> at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:112)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
> at org.apache.cassandra.io.SSTableReader.getApproximateKeyCount(SSTableReader.java:102)
> at org.apache.cassandra.db.ColumnFamilyStore.doFileCompaction(ColumnFamilyStore.java:866)
> at org.apache.cassandra.db.ColumnFamilyStore.doFileCompaction(ColumnFamilyStore.java:830)
> at org.apache.cassandra.db.ColumnFamilyStore.doMajorCompactionInternal(ColumnFamilyStore.java:673)
> at org.apache.cassandra.db.ColumnFamilyStore.doMajorCompaction(ColumnFamilyStore.java:645)
> at org.apache.cassandra.db.CompactionManager$OnDemandCompactor.run(CompactionManager.java:123)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> ... 2 more
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