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From "Brandon Williams (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7632) NPE in AutoSavingCache$Writer.deleteOldCacheFiles
Date Tue, 29 Jul 2014 13:18:39 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brandon Williams updated CASSANDRA-7632:
----------------------------------------

    Reviewer: Yuki Morishita

> NPE in AutoSavingCache$Writer.deleteOldCacheFiles
> -------------------------------------------------
>
>                 Key: CASSANDRA-7632
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7632
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Vishy Kasar
>            Assignee: Marcus Eriksson
>            Priority: Minor
>             Fix For: 2.0.10
>
>         Attachments: 0001-check-for-null.patch
>
>
> Observed this NPE in one of our production cluster (2.0.9). Does not seem to be causing
harm but good to resolve.
> ERROR [CompactionExecutor:1188] 2014-07-27 21:57:08,225 CassandraDaemon.java (line 199)
Exception in thread Thread[CompactionExecutor:1188,1,main] 
> clusterName=clouddb_p03 
> java.lang.NullPointerException 
> at org.apache.cassandra.cache.AutoSavingCache$Writer.deleteOldCacheFiles(AutoSavingCache.java:265)

> at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:195)

> at org.apache.cassandra.db.compaction.CompactionManager$10.run(CompactionManager.java:862)

> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) 
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) 
> at java.util.concurrent.FutureTask.run(FutureTask.java:166) 
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) 
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) 
> at java.lang.Thread.run(Thread.java:722)



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