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https://issues.apache.org/jira/browse/CASSANDRA-9126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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srinivasu gottipati updated CASSANDRA-9126:
-------------------------------------------

We ran scrub on these nodes, and after that we ran repairs on all nodes and we 
are seeing the following exceptions. May I know, any workaround for these 
errors.

1. Repair session b7c.. for range
(-8646911284551352328,-8454757700450211168] failed with error 
org.apache.cassandra.exceptions.RepairException:.. Validation failed in
/10.0.21.113

2.Repair session 20c.. for range
(9031218452753634392,-9223372036854775808] failed with error
java.io.IOException: Failed during snapshot creation.
java.util.concurrent.ExecutionException: java.lang.RuntimeException:
java.io.IOException: Failed during snapshot creation.
There has been a ticket - https://issues.apache.org/jira/browse/CASSANDRA-8696; 
but no solution or work around.

> 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: 2.0.15
>
>
> 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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