[jira] [Resolved] (POOL-196) PooledObject.getActiveTimeMillis() does not synch. access to lastReturnTime and lastBorrowTime

["Mark Thomas (Resolved) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/POOL-196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Thomas resolved POOL-196.
------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0
    
> PooledObject.getActiveTimeMillis() does not synch. access to lastReturnTime and lastBorrowTime
> ----------------------------------------------------------------------------------------------
>
>                 Key: POOL-196
>                 URL: https://issues.apache.org/jira/browse/POOL-196
>             Project: Commons Pool
>          Issue Type: Bug
>            Reporter: Sebb
>             Fix For: 2.0
>
>
> The method PooledObject.getActiveTimeMillis() compares lastReturnTime and lastBorrowTime, but is not synchronised; nor are the variables volatile.
> There are two possible thread issues here: safe publication of the variables, and possible window error when comparing the values.
> The method needs to be synch. and the fields need to be volatile (or the getters need to be synch.)

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