[jira] [Commented] (POOL-359) NullPointerException closing multiple GenericObjectPools

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[jira] [Commented] (POOL-359) NullPointerException closing multiple GenericObjectPools

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/POOL-359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710367#comment-16710367 ]

Michael Wintermeyer commented on POOL-359:
------------------------------------------

[~garydgregory] thanks for your help merging this fix! When do you think 2.6.1 would be released? (final 2.6.1, as well as the next RC if that has to come out first).

> NullPointerException closing multiple GenericObjectPools
> --------------------------------------------------------
>
>                 Key: POOL-359
>                 URL: https://issues.apache.org/jira/browse/POOL-359
>             Project: Commons Pool
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Michael Wintermeyer
>            Priority: Major
>             Fix For: 2.6.1
>
>
> {code:java}
> java.lang.NullPointerException
> at org.apache.commons.pool2.impl.EvictionTimer.cancel(EvictionTimer.java:97)
> at org.apache.commons.pool2.impl.BaseGenericObjectPool.startEvictor(BaseGenericObjectPool.java:753)
> at org.apache.commons.pool2.impl.GenericObjectPool.close(GenericObjectPool.java:694)
> {code}
> Possible when multiple pools in the same process each call #close. GenericObjectPool#close checks #isClosed before proceeding, but that call checks a non-static instance variable. It calls into EvictionTimer#cancel which sets the _static_ variable EvictionCache.executor to null.



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