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From "Andrew Stitcher (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-5948) [linearstore] Broker restart failure with durable topic using non-durable exchange
Date Mon, 04 Aug 2014 19:28:12 GMT

    [ https://issues.apache.org/jira/browse/QPID-5948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14085155#comment-14085155

Andrew Stitcher commented on QPID-5948:

1) Wouldn't it make sense to avoid the issue by forcing the exchange to be durable upon creation
of a durable topic that depends on it?

2) Equally wouldn't it be more foolproof to just create the exchange upon recovery rather
than throwing away the queue?

I think you'd need just 2. to properly fix the problem though, as you may already have stores
that exist and need to be recovered. 1. might just be a nicety.

> [linearstore] Broker restart failure with durable topic using non-durable exchange
> ----------------------------------------------------------------------------------
>                 Key: QPID-5948
>                 URL: https://issues.apache.org/jira/browse/QPID-5948
>             Project: Qpid
>          Issue Type: Improvement
>          Components: C++ Broker
>            Reporter: Kim van der Riet
>            Assignee: Kim van der Riet
> If a durable topic is created which uses a non-durable exchange, then the recovery of
the broker fails with "Exchange not found" error message. Although this is a configuration
error, and can probably be reproduced in a number of ways, the fact that the broker will fail
to start is a potentially serious problem.
> Steps to Reproduce:
> 0. Start broker with amqp and linearstore modules
> 1. qpid-config add exchange fanout test.ex
> 2. qpid-config add topic test.topic --argument exchange=test.ex --argument durable=True
> 3. Restart broker

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