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https://issues.apache.org/jira/browse/CASSANDRA-13335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

C. Scott Andreas updated CASSANDRA-13335:
-----------------------------------------
    Component/s: Local Write-Read Paths

> AssertionError in PerDiskMemtableFlushWrite when comparing TimeUUIDType
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-13335
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13335
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local Write-Read Paths
>         Environment: Cassandra 3.9
> Single DC
> 6 Nodes
> RF 3
> OS: Ubuntu 16.04
>            Reporter: Irit Loy
>            Priority: Major
>
> We are running 3.9  cluster with 6 nodes.
> During a long run we occasionally encounter an AssertionError on one or two 
> of the nodes.
> ERROR [PerDiskMemtableFlushWriter_0:4] 2017-03-02 13:34:37,575 
> CassandraDaemon.java:226 - Exception in thread 
> Thread[PerDiskMemtableFlushWriter_0:4,5,main]
> java.lang.AssertionError: null
>         at 
> org.apache.cassandra.db.marshal.TimeUUIDType.compareCustom(TimeUUIDType.java:65)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.db.marshal.AbstractType.compare(AbstractType.java:159) 
> ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.dht.LocalPartitioner$LocalToken.compareTo(LocalPartitioner.java:139)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.dht.LocalPartitioner$LocalToken.compareTo(LocalPartitioner.java:120)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.db.DecoratedKey.compareTo(DecoratedKey.java:85) 
> ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.io.sstable.format.big.BigTableWriter.beforeAppend(BigTableWriter.java:121)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:161)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.io.sstable.SimpleSSTableMultiWriter.append(SimpleSSTableMultiWriter.java:48)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:458)
>  ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.db.Memtable$FlushRunnable.call(Memtable.java:493) 
> ~[apache-cassandra-3.9.jar:3.9]
>         at 
> org.apache.cassandra.db.Memtable$FlushRunnable.call(Memtable.java:380) 
> ~[apache-cassandra-3.9.jar:3.9]
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
> ~[na:1.8.0_111]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  ~[na:1.8.0_111]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [na:1.8.0_111]
>         at java.lang.Thread.run(Thread.java:745) [na:1.8.0_111]



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