[jboss-jira] [JBoss JIRA] Updated: (JBCACHE-1352) Inifinite wait when creating a TreeCache on an existing channel

[Kai Blankenhorn (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCACHE-1352?page=all ]

Kai Blankenhorn updated JBCACHE-1352:
-------------------------------------

    Attachment: TreeCache_Patch.diff

This patch changed TreeCache._createService() so it does not return immediately if an existing channel has been detected. Instead, it skips the channel creation and continues with initializing the cache.

> Inifinite wait when creating a TreeCache on an existing channel
> ---------------------------------------------------------------
>
>                 Key: JBCACHE-1352
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-1352
>             Project: JBoss Cache
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 1.4.1.SP9
>         Environment: Windows XP SP2, WebSphere Application Server 6.0.2.25, J2RE 1.4.2
>            Reporter: Kai Blankenhorn
>         Assigned To: Manik Surtani
>             Fix For: 1.4.X
>
>         Attachments: TreeCache_Patch.diff
>
>
> When creating a new TreeCache using the single argument constructor and an existing channel, the startService method hangs infinitely when called.
> Code to reproduce:
> -----
> // Builds a properties String
> JGroupsProperties props = new JGroupsProperties();
> JChannel channel = new JChannel(props.getProps());
> cache = new TreeCache(channel);
> cache.setCacheMode(TreeCache.REPL_SYNC);
> cache.startService();
> -----
> The wait occurs in the following method call:
> Vector(Object).wait(long, int) line: not available [native method]
> Vector(Object).wait() line: 199
> TreeCache.getCoordinator() line: 1840
> TreeCache.determineCoordinator() line: 1818
> TreeCache.startService() line: 1580
> Apparently, the viewAccepted method that should normally notify the members Vector is never called.
> JGroups version is 2.4.2. The JGroups config is almost identical to replAsync-service.xml.

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