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https://issues.apache.org/jira/browse/CASSANDRA-9126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14708020#comment-14708020
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Marcus Eriksson commented on CASSANDRA-9126:
--------------------------------------------
that log makes no sense - did you remove the INFO lines?
> java.lang.RuntimeException: Last written key DecoratedKey >= current key
> DecoratedKey
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-9126
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9126
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: srinivasu gottipati
> Priority: Critical
> Fix For: 2.0.x
>
> Attachments: cassandra-system.log
>
>
> Cassandra V: 2.0.14,
> Getting the following exceptions while trying to compact (I see this issue
> was raised in earlier versions and marked as closed. However it still appears
> in 2.0.14). In our case, compaction is not getting succeeded and keep failing
> with this error.:
> {code}java.lang.RuntimeException: Last written key
> DecoratedKey(3462767860784856708,
> 354038323137333038305f3330325f31355f474d4543454f) >= current key
> DecoratedKey(3462334604624154281,
> 354036333036353334315f3336315f31355f474d4543454f) writing into {code}
> .......
> Stacktrace:{code}
> at
> org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:143)
> at
> org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:166)
> at
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:167)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60)
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198)
> at
> java.util.concurrent.Executors$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){code}
> Any help is greatly appreciated
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