[jira] [Work logged] (POOL-376) invalidateObject should not return NullPointerException

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/POOL-376?focusedWorklogId=316077&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-316077 ]

ASF GitHub Bot logged work on POOL-376:
---------------------------------------

                Author: ASF GitHub Bot
            Created on: 21/Sep/19 07:12
            Start Date: 21/Sep/19 07:12
    Worklog Time Spent: 10m 
      Work Description: sazzad16 commented on pull request #24: POOL-376 invalidateObject should not throw NPE
URL: https://github.com/apache/commons-pool/pull/24
 
 
   `GenericObjectPool.invalidateObject(T obj)` and/or `GenericObjectPool.destroy(PooledObject<T> toDestroy)` should not throw NullPointerException when respective parameter (`obj/`toDestroy`) is not `null`.
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 316077)
    Remaining Estimate: 0h
            Time Spent: 10m

> invalidateObject should not return NullPointerException
> -------------------------------------------------------
>
>                 Key: POOL-376
>                 URL: https://issues.apache.org/jira/browse/POOL-376
>             Project: Commons Pool
>          Issue Type: Improvement
>    Affects Versions: 2.6.2
>            Reporter: M Sazzadul Hoque
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {{GenericObjectPool.invalidateObject(T obj)}} should not return {{NullPointerException}} when obj is not null.
> Please see following stack trace:
> {code:java}
> Caused by: java.lang.NullPointerException
>         at org.apache.commons.pool2.impl.LinkedBlockingDeque.putLast(LinkedBlockingDeque.java:454)
>         at org.apache.commons.pool2.impl.LinkedBlockingDeque.put(LinkedBlockingDeque.java:788)
>         at org.apache.commons.pool2.impl.GenericObjectPool.destroy(GenericObjectPool.java:939)
>         at org.apache.commons.pool2.impl.GenericObjectPool.invalidateObject(GenericObjectPool.java:618)
> {code}
> Apparent reason: In {{destroy(PooledObject<T> toDestroy)}}, create() may return null even though {{toDestroy}} is already destroyed.
> Please make the fix available for JDK 1.7.



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