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https://issues.apache.org/jira/browse/POOL-338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429162#comment-16429162
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Gary Gregory edited comment on POOL-338 at 4/7/18 12:21 AM:
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When you are at 
https://issues.apache.org/jira/browse/POOL-338?focusedCommentId=16427494&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16427494
 it would be interesting to see the class loader for each object's class.


was (Author: garydgregory):
When you are at 
https://issues.apache.org/jira/browse/POOL-338?focusedCommentId=16427494&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16427494
 it would be interesting to see the class loader for each object.

> GenericObjectPool constructor throws an exception
> -------------------------------------------------
>
>                 Key: POOL-338
>                 URL: https://issues.apache.org/jira/browse/POOL-338
>             Project: Commons Pool
>          Issue Type: Bug
>    Affects Versions: 2.4.2, 2.4.3, 2.5.0
>         Environment: Java 8, Liferay DXP (an OSGi environment).
>            Reporter: Michael C
>            Priority: Major
>
> Version 2.4.3 GenericObjectPool constructor throws this exception:
> {{java.lang.IllegalArgumentException: 
> [org.apache.commons.pool2.impl.DefaultEvictionPolicy] does not implement 
> EvictionPolicy}}
> {{    at 
> org.apache.commons.pool2.impl.BaseGenericObjectPool.setEvictionPolicyClassName(BaseGenericObjectPool.java:618)}}
> {{    at 
> org.apache.commons.pool2.impl.GenericObjectPool.setConfig(GenericObjectPool.java:318)}}
> {{    at 
> org.apache.commons.pool2.impl.GenericObjectPool.<init>(GenericObjectPool.java:115)}}
> {{    at 
> org.apache.commons.pool2.impl.GenericObjectPool.<init>(GenericObjectPool.java:88)}}
>  
> Version 2.5.0 throws the same exception. Version 2.4.2 or older's 
> setEvictionPolicyClassName method fail silently for the same reason. This 
> line in BaseGenericObjectPool evaluates to false for all versions:
> {{        if (policy instanceof EvictionPolicy<?>) {}}
>  



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