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http://jira.amdatu.org/jira/browse/AMDATUCASSANDRA-130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivo Ladage - van Doorn updated AMDATUCASSANDRA-130:
---------------------------------------------------
Attachment: ConcurrencyTest.java
> NullPointerExceptions occur during running the cassandra performance tests
> --------------------------------------------------------------------------
>
> Key: AMDATUCASSANDRA-130
> URL: http://jira.amdatu.org/jira/browse/AMDATUCASSANDRA-130
> Project: Amdatu Cassandra
> Issue Type: Bug
> Components: Cassandra daemon
> Affects Versions: 0.2.0
> Reporter: Ivo Ladage - van Doorn
> Attachments: ConcurrencyTest.java
>
>
> When I run the Cassandra performance test, sometimes I get this
> NullPointerException:
> [2011-10-18 11:05:38] ERROR: Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main] [org.amdatu.core.loghandler]
> java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
> at
> org.apache.cassandra.db.RowMutation$RowMutationSerializer.serialize(RowMutation.java:352)
> at
> org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:236)
> at
> org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:106)
> at
> org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:498)
> at
> org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> ... 1 more
> This happens randomly every now and then, but you have to run the test for a
> long time to reproduce it. However, the problem always appears.
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