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From "Philip Thompson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9216) NullPointerException (NPE) during Compaction Cache Serialization
Date Thu, 04 Jun 2015 14:25:38 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572855#comment-14572855
] 

Philip Thompson commented on CASSANDRA-9216:
--------------------------------------------

Actually, [~longtimer], good news, it looks like this was a bug found somewhere else and fixed
in 2.1.5.

> NullPointerException (NPE) during Compaction Cache Serialization
> ----------------------------------------------------------------
>
>                 Key: CASSANDRA-9216
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9216
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Debian linux wheezy patch current
>            Reporter: Jason Kania
>              Labels: Compaction, NPE
>             Fix For: 2.1.x
>
>
> In case this hasn't been reported (I looked but did not see it), a null pointer exception
is occurring during compaction. The stack track is as follows:
> {code}
> ERROR [CompactionExecutor:50] 2015-04-20 13:42:43,827 CassandraDaemon.java:223 - Exception
in thread Thread[CompactionExecutor:50,1,main]
> java.lang.NullPointerException: null
>         at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475)
~[apache-cassandra-2.1.4.jar:2.1.4]
>         at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463)
~[apache-cassandra-2.1.4.jar:2.1.4]
>         at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:274)
~[apache-cassandra-2.1.4.jar:2.1.4]
>         at org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1152)
~[apache-cassandra-2.1.4.jar:2.1.4]
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_75]
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_75]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
~[na:1.7.0_75]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[na:1.7.0_75]
>         at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]{code}



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