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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-4874) Alternate exchange unable to set from REST
Date Thu, 03 Oct 2013 17:29:44 GMT

    [ https://issues.apache.org/jira/browse/QPID-4874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13785386#comment-13785386
] 

Keith Wall commented on QPID-4874:
----------------------------------

Since this Jira is an enhancement request and a problem report, I've raised QPID-5205 to cover
the problem.

> Alternate exchange unable to set from REST
> ------------------------------------------
>
>                 Key: QPID-4874
>                 URL: https://issues.apache.org/jira/browse/QPID-4874
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.20
>            Reporter: Michal Zerola
>             Fix For: Future
>
>         Attachments: alternate_exch_fix.patch
>
>
> This is a follow-up on the discussion started on:
> http://mail-archives.apache.org/mod_mbox/qpid-users/201303.mbox/%3CCAFitrpTiPo_yMhitGBM-1=QiW8xnKz3O2tqgSP3xbooDDC=yvQ@mail.gmail.com%3E
> I haven't seen any JIRA covering this issue yet. Setting an alternate exchange on the
exchange is not possible now from the REST interface (e.g. using curl / web management).
> The only way how one can set an alternate exchange is using the proper address from the
JMS client and passing it to the _MessageProducer_:
> {noformat}
> "ADDR:test-exch; {create: always, node:{type: topic,x-declare: {alternate-exchange:'amq.fanout'}}}"
> {noformat}
> The exchange _test-exch_ will then keep reference to the alternate exchange _amq.fanout_.
However, listing the exchange using the _curl_ will fail (produce endless output). I assume
that the problem is caused by Json mapper, having problems to write object which is not _ConfiguredObject_
(in this case it is _FanoutExchange_). This problem is reproducible by creating the exchange
with alternate exchange reference using the address above and listing the exchange(s) with
curl command. I think the solution can be to return the alternate exchange name (and not an
object) from the _ExchangeAdapter.java_ as I illustrated in the attached patch.
> Thank you,
> Michal



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