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From "Thomas Vandahl (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (JCS-91) JCS fails to properly dispose of the lateral TCP listener thread. If a webapp that uses JCS lateral TCP cache is undeployed, the listener is left hanging with no hope for exit.
Date Sun, 11 Nov 2012 15:43:12 GMT

     [ https://issues.apache.org/jira/browse/JCS-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Vandahl resolved JCS-91.
-------------------------------

       Resolution: Fixed
    Fix Version/s: jcs-2.0.0

Applied heavily modified patch manually.
                
> JCS fails to properly dispose of the lateral TCP listener thread.  If a webapp that uses
JCS lateral TCP cache is undeployed, the listener is left hanging with no hope for exit.
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JCS-91
>                 URL: https://issues.apache.org/jira/browse/JCS-91
>             Project: Commons JCS
>          Issue Type: Bug
>          Components: TCP Lateral Cache
>    Affects Versions: jcs-1.3
>            Reporter: Diego Rivera
>            Assignee: Thomas Vandahl
>             Fix For: jcs-2.0.0
>
>         Attachments: jcs-91-full-fix.patch
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> The problem seems to stem from two things: improper handling of accept() such that it
doesn't block indefinitely (and thus can't be interrupted and broken out of), and failure
by the nowait facade to pass on dispose() events to the local TCP listener.
> I'll attach a patch to fix the former, although I feel that if 1.4 will use nio instead
of regular IO, this will be moot.  However, the latter (failure of the nowait facade to pass
on disposal events) will probably still be an issue.

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