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From "Marcus Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9126) java.lang.RuntimeException: Last written key DecoratedKey >= current key DecoratedKey
Date Wed, 07 Oct 2015 12:41:27 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14946781#comment-14946781
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Marcus Eriksson commented on CASSANDRA-9126:
--------------------------------------------

[~mambocab] yeah, I think we want users to actually report this issue if it happens - it could
be a legitimate bug in LCS for example

> 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: 2.1.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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