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https://issues.apache.org/jira/browse/CASSANDRA-8605?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict resolved CASSANDRA-8605.
---------------------------------
Resolution: Duplicate
> nullpointer exception in thread pool executor
> ---------------------------------------------
>
> Key: CASSANDRA-8605
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8605
> Project: Cassandra
> Issue Type: Bug
> Environment: Debian stable (wheezy)
> Reporter: Anderson Cummins
> Fix For: 2.1.2
>
>
> i see the following exception messages in /var/log/cassandra/system.log:
> ERROR [CompactionExecutor:123] 2015-01-12 06:02:37,863
> CassandraDaemon.java:153 - Exception in thread
> Thread[CompactionExecutor:123,1,main]
> java.lang.NullPointerException: null
> at
> org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:274)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1088)
> ~[apache-cassandra-2.1.2.jar:2.1.2]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_25] at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_25]
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