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https://issues.apache.org/jira/browse/CASSANDRA-12743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jay Zhuang reassigned CASSANDRA-12743:
--------------------------------------
Assignee: Jay Zhuang
> Assertion error while running compaction
> -----------------------------------------
>
> Key: CASSANDRA-12743
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12743
> Project: Cassandra
> Issue Type: Bug
> Components: Compaction
> Environment: unix
> Reporter: Jean-Baptiste Le Duigou
> Assignee: Jay Zhuang
> Priority: Major
>
> While running compaction I run into an error sometimes :
> {noformat}
> nodetool compact
> error: null
> -- StackTrace --
> java.lang.AssertionError
> at
> org.apache.cassandra.io.compress.CompressionMetadata$Chunk.<init>(CompressionMetadata.java:463)
> at
> org.apache.cassandra.io.compress.CompressionMetadata.chunkFor(CompressionMetadata.java:228)
> at
> org.apache.cassandra.io.util.CompressedSegmentedFile.createMappedSegments(CompressedSegmentedFile.java:80)
> at
> org.apache.cassandra.io.util.CompressedPoolingSegmentedFile.<init>(CompressedPoolingSegmentedFile.java:38)
> at
> org.apache.cassandra.io.util.CompressedPoolingSegmentedFile$Builder.complete(CompressedPoolingSegmentedFile.java:101)
> at
> org.apache.cassandra.io.util.SegmentedFile$Builder.complete(SegmentedFile.java:198)
> at
> org.apache.cassandra.io.sstable.format.big.BigTableWriter.openEarly(BigTableWriter.java:315)
> at
> org.apache.cassandra.io.sstable.SSTableRewriter.maybeReopenEarly(SSTableRewriter.java:171)
> at
> org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:116)
> at
> org.apache.cassandra.db.compaction.writers.DefaultCompactionWriter.append(DefaultCompactionWriter.java:64)
> at
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:184)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:74)
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> at
> org.apache.cassandra.db.compaction.CompactionManager$8.runMayThrow(CompactionManager.java:599)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Why is that happening?
> Is there anyway to provide more details (e.g. which SSTable cannot be
> compacted)?
> We are using Cassandra 2.2.7
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