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From "Christian Schneider (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DOSGI-169) RemoteServiceAdminCore missing synchronized block + deadlock
Date Mon, 15 Apr 2013 07:24:15 GMT

    [ https://issues.apache.org/jira/browse/DOSGI-169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631549#comment-13631549
] 

Christian Schneider commented on DOSGI-169:
-------------------------------------------

Hi Amichai,
somehow when I apply the patch it shows only one line changed. Can you redo the patch based
on the current trunk?

                
> RemoteServiceAdminCore missing synchronized block + deadlock
> ------------------------------------------------------------
>
>                 Key: DOSGI-169
>                 URL: https://issues.apache.org/jira/browse/DOSGI-169
>             Project: CXF Distributed OSGi
>          Issue Type: Bug
>          Components: DSW
>    Affects Versions: 1.4.0, 1.5
>            Reporter: Amichai Rothman
>         Attachments: fix_exportedservices_sync_2.diff, fix_exportedservices_sync.diff
>
>
> In RemoteServiceAdminCore.removeExportRegistrations() the exportedServices map is used
in a HashMap copy constructor without being synchronized (this is easily visually mistaken
for a single atomic operation, but is actually an iteration on the map - an in any case, should
be synchronized for proper visibility). The copy constructor call should be placed in a syncrhonized
block with exportedServices as the monitor, just like all other accesses to this map.

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