[jira] [Commented] (CASSANDRA-8067) NullPointerException in KeyCacheSerializer

["Julien Anguenot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-8067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201811#comment-14201811 ] 

Julien Anguenot commented on CASSANDRA-8067:
--------------------------------------------

[~yukim] our production cluster been freshly migrated from 2.0.11 to 2.1.1 yesterday. Everything is running well except for this error which is happening on every cluster node after migration:

{code}
ERROR [CompactionExecutor:1] 2014-11-07 07:54:24,599 CassandraDaemon.java:153 - Exception in thread Thread[CompactionExecutor:1,1,main]
java.lang.NullPointerException: null
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475) ~[apache-cassandra-2.1.1.jar:2.1.1]
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463) ~[apache-cassandra-2.1.1.jar:2.1.1]
        at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:236) ~[apache-cassandra-2.1.1.jar:2.1.1]
        at org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1089) ~[apache-cassandra-2.1.1.jar:2.1.1]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_72]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_72]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_72]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_72]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_72]
{code}

Let me know if I can provide more info.

> NullPointerException in KeyCacheSerializer
> ------------------------------------------
>
>                 Key: CASSANDRA-8067
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8067
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Eric Leleu
>             Fix For: 2.1.1
>
>
> Hi,
> I have this stack trace in the logs of Cassandra server (v2.1)
> {code}
> ERROR [CompactionExecutor:14] 2014-10-06 23:32:02,098 CassandraDaemon.java:166 - Exception in thread Thread[CompactionExecutor:14,1,main]
> java.lang.NullPointerException: null
>         at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475) ~[apache-cassandra-2.1.0.jar:2.1.0]
>         at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463) ~[apache-cassandra-2.1.0.jar:2.1.0]
>         at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:225) ~[apache-cassandra-2.1.0.jar:2.1.0]
>         at org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1061) ~[apache-cassandra-2.1.0.jar:2.1.0]
>         at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[na:1.7.0]
>         at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) ~[na:1.7.0]
>         at java.util.concurrent.FutureTask.run(Unknown Source) ~[na:1.7.0]
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.7.0]
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.7.0]
>         at java.lang.Thread.run(Unknown Source) [na:1.7.0]
> {code}
> It may not be critical because this error occured in the AutoSavingCache. However the line 475 is about the CFMetaData so it may hide bigger issue...
> {code}
>  474             CFMetaData cfm = Schema.instance.getCFMetaData(key.desc.ksname, key.desc.cfname);
>  475             cfm.comparator.rowIndexEntrySerializer().serialize(entry, out);
> {code}
> Regards,
> Eric



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