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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-6671) NoSuchElementException in trunk
Date Fri, 07 Feb 2014 02:30:19 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-6671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-6671.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 2.1
         Reviewer: Jonathan Ellis
         Assignee: Benedict

committed

> NoSuchElementException in trunk
> -------------------------------
>
>                 Key: CASSANDRA-6671
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6671
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Tyler Hobbs
>            Assignee: Benedict
>             Fix For: 2.1
>
>         Attachments: tmp.patch
>
>
> When running {{cassandra-stress -o 10000000}} from {{cassandra-1.2}} against the latest
trunk, I noticed this error in the system log:
> {noformat}
> ERROR 01:13:11 Exception in thread Thread[MutationStage:68,5,main]
> java.lang.RuntimeException: java.util.NoSuchElementException
> 	at org.apache.cassandra.service.StorageProxy$LocalMutationRunnable.run(StorageProxy.java:2063)
~[main/:na]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_40]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) ~[na:1.7.0_40]
> 	at java.lang.Thread.run(Thread.java:724) ~[na:1.7.0_40]
> Caused by: java.util.NoSuchElementException: null
> 	at java.util.concurrent.ConcurrentLinkedDeque.screenNullResult(ConcurrentLinkedDeque.java:812)
~[na:1.7.0_40]
> 	at java.util.concurrent.ConcurrentLinkedDeque.getLast(ConcurrentLinkedDeque.java:963)
~[na:1.7.0_40]
> 	at org.apache.cassandra.utils.concurrent.WaitQueue.signalAll(WaitQueue.java:122) ~[main/:na]
> 	at org.apache.cassandra.utils.concurrent.OpOrder$Group.unlink(OpOrder.java:254) ~[main/:na]
> 	at org.apache.cassandra.utils.concurrent.OpOrder$Group.finishOne(OpOrder.java:209) ~[main/:na]
> 	at org.apache.cassandra.db.commitlog.CommitLogSegment$Allocation.markWritten(CommitLogSegment.java:581)
~[main/:na]
> 	at org.apache.cassandra.db.commitlog.CommitLog.add(CommitLog.java:231) ~[main/:na]
> 	at org.apache.cassandra.db.commitlog.CommitLog.add(CommitLog.java:193) ~[main/:na]
> 	at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:349) ~[main/:na]
> 	at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:328) ~[main/:na]
> 	at org.apache.cassandra.db.Mutation.apply(Mutation.java:205) ~[main/:na]
> 	at org.apache.cassandra.service.StorageProxy$7.runMayThrow(StorageProxy.java:997) ~[main/:na]
> 	at org.apache.cassandra.service.StorageProxy$LocalMutationRunnable.run(StorageProxy.java:2059)
~[main/:na]
> 	... 3 common frames omitted
> {noformat}
> I'm not sure what the implications are.



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