[jira] [Updated] (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.

["Diego Rivera (Updated) (JIRA)" <ji...@apache.org>]

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

Diego Rivera updated JCS-91:
----------------------------

    Attachment: jcs-91-full-fix.patch

This patch supersedes the previously-attached patch, in that it includes the functionality to notify the listener that it should exit gracefully.  This helps with thread cleanup and other tasks.
                
> 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
>         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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