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https://issues.apache.org/jira/browse/POOL-248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Thomas resolved POOL-248.
------------------------------
Resolution: Fixed
Fix Version/s: 2.2
I've reviewed and updated the Javadoc.
> GenericObjectPool.returnObject() is NOT throwing IllegalStateException for
> object has already been returned
> -----------------------------------------------------------------------------------------------------------
>
> Key: POOL-248
> URL: https://issues.apache.org/jira/browse/POOL-248
> Project: Commons Pool
> Issue Type: Bug
> Affects Versions: 2.1
> Reporter: Warren Chen
> Fix For: 2.2
>
>
> When GenericObjectPool is created using AbandonedConfig, the pool is NOT
> throwing "IllegalStateException: Object has already been returned to this
> pool or is invalid" for object has already been returned.
> final GenericObjectPool<String> pool = new GenericObjectPool<String>(
> new SimpleFactory(), new
> GenericObjectPoolConfig(),
> new AbandonedConfig());
> String obj1 = pool.borrowObject();
> System.out.println("after borrowing obj1");
> System.out.println("numActive=" + pool.getNumActive());
> System.out.println("numIdle=" + pool.getNumIdle());
> System.out.println("return obj1");
> pool.returnObject(obj1);
> System.out.println("numActive=" + pool.getNumActive());
> System.out.println("numIdle=" + pool.getNumIdle());
>
> System.out.println("return obj1 again");
> pool.returnObject(obj1);
> System.out.println("numActive=" + pool.getNumActive());
> System.out.println("numIdle=" + pool.getNumIdle());
> Output:
> after borrowing obj1
> numActive=1
> numIdle=0
> return obj1
> numActive=0
> numIdle=1
> return obj1 again
> numActive=-1
> numIdle=2
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