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https://issues.apache.org/jira/browse/CASSANDRA-8310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Philip Thompson updated CASSANDRA-8310:
---------------------------------------
    Reproduced In: 2.1.1
    Fix Version/s: 2.1.3

> Assertion error in 2.1.1: 
> SSTableReader.cloneWithNewSummarySamplingLevel(SSTableReader.java:988)
> ------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-8310
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8310
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Donald Smith
>             Fix For: 2.1.3
>
>
> Using C* 2.1.1  on linux Centos 6.4, we're getting this AssertionError on 5 
> nodes in a 12 node cluster. Also, compactions are lagging on all nodes.
> {noformat}
> ERROR [IndexSummaryManager:1] 2014-11-13 09:15:16,221 CassandraDaemon.java 
> (line 153) Exception in thread Thread[IndexSummaryManager:1,1,main]
> java.lang.AssertionError: null
>         at 
> org.apache.cassandra.io.sstable.SSTableReader.cloneWithNewSummarySamplingLevel(SSTableReader.java:988)
>  ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager.adjustSamplingLevels(IndexSummaryManager.java:420)
>  ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager.redistributeSummaries(IndexSummaryManager.java:298)
>  ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager.redistributeSummaries(IndexSummaryManager.java:238)
>  ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> org.apache.cassandra.io.sstable.IndexSummaryManager$1.runMayThrow(IndexSummaryManager.java:139)
>  ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) 
> ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:77)
>  ~[apache-cassandra-2.1.1.jar:2.1.1]
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) 
> [na:1.7.0_60]
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) 
> [na:1.7.0_60]
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>  [na:1.7.0_60]
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>  [na:1.7.0_60]
> {noformat} 



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