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From "Andrew Stitcher (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Commented: (QPID-2320) Failed acquire on LVQ causes broker crash
Date Mon, 04 Jan 2010 21:50:54 GMT

    [ https://issues.apache.org/jira/browse/QPID-2320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796370#action_12796370
] 

Andrew Stitcher commented on QPID-2320:
---------------------------------------

Soliciting opinion:

This seems like it might actually be a blocking bug -

1. It is a regression against 0.5 (lvq was introduced before 0.5 right?)
2. It is impossible to work around - or is not using LVQ considered a workaround?



> Failed acquire on LVQ causes broker crash
> -----------------------------------------
>
>                 Key: QPID-2320
>                 URL: https://issues.apache.org/jira/browse/QPID-2320
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: 0.6
>            Reporter: Gordon Sim
>
> If an acquire fails for an LVQ because the message has already been acquired by some
other subscriber, the failed attempt causes the broker to crash. This is due to lack of proper
bounds checking in Queue::acquire() for the LVQ case and was I believe introduced by http://svn.apache.org/viewvc?view=revision&revision=834172.

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