[jira] [Resolved] (POOL-316) Evictor periodically throws NullPointerExceptions

["Gary Gregory (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/POOL-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Gregory resolved POOL-316.
-------------------------------
    Resolution: Fixed

[~sillydino]: Please test and close if OK.

> Evictor periodically throws NullPointerExceptions
> -------------------------------------------------
>
>                 Key: POOL-316
>                 URL: https://issues.apache.org/jira/browse/POOL-316
>             Project: Commons Pool
>          Issue Type: Bug
>    Affects Versions: 2.4.2
>            Reporter: Caleb Cittadino
>
> When the logging level is set to WARN or INFO we see the following NPE peridically:
> {code}
> [2016-10-20 13:26:38,646 | WARN  | org.apache.commons.dbcp2.BasicDataSource] An internal object pool swallowed an Exception.
> java.lang.Exception: java.lang.NullPointerException
>        at org.apache.commons.pool2.impl.GenericObjectPool.evict(GenericObjectPool.java:787) [commons-pool2-2.4.2.jar:2.4.2]
>        at org.apache.commons.pool2.impl.BaseGenericObjectPool$Evictor.run(BaseGenericObjectPool.java:1036) [commons-pool2-2.4.2.jar:2.4.2]
>        at java.util.TimerThread.mainLoop(Unknown Source) [na:1.8.0_25]
>        at java.util.TimerThread.run(Unknown Source) [na:1.8.0_25]
> Caused by: java.lang.NullPointerException: null
>        at org.apache.commons.pool2.impl.GenericObjectPool.evict(GenericObjectPool.java:781) [commons-pool2-2.4.2.jar:2.4.2]
>        ... 3 common frames omitted
> {code}



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