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From "cvalois (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1841) Unregistering of Searcher MBean doesn't work in Websphere
Date Tue, 29 Jun 2010 12:58:50 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12883535#action_12883535
] 

cvalois commented on SOLR-1841:
-------------------------------

Do you guys have any idea when you are going to add this patch to the code? 

> Unregistering of Searcher MBean doesn't work in Websphere
> ---------------------------------------------------------
>
>                 Key: SOLR-1841
>                 URL: https://issues.apache.org/jira/browse/SOLR-1841
>             Project: Solr
>          Issue Type: Bug
>         Environment: Websphere Application Server 6.1
>            Reporter: Patrik Nordebo
>            Priority: Minor
>         Attachments: patch, SOLR-1841.patch
>
>
> On a Websphere cluster, all MBeans registered in the default MBean server get renamed
on registration (it adds properties based on which node and cell in the Websphere cluster
the process was running).  This means that when Solr tries to unregister an MBean (e.g. an
old searcher), the old MBean is never removed.  In the case of a rebind the binding of the
new MBean fails because it tries to register a name that is already taken.
> To get around this the name the mbean gets assigned must be stored somewhere where it
can be looked up when we need to remove the binding.

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