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Posted to dev@activemq.apache.org by "Gary Tully (JIRA)" <ji...@apache.org> on 2014/11/24 18:23:14 UTC
[jira] [Created] (AMQ-5450) mKahaDB filtered wildcard
doesn't pick up myqueue.DLQ
Gary Tully created AMQ-5450:
-------------------------------
Summary: mKahaDB filtered wildcard <filteredKahaDB queue="*.DLQ"> doesn't pick up myqueue.DLQ
Key: AMQ-5450
URL: https://issues.apache.org/jira/browse/AMQ-5450
Project: ActiveMQ
Issue Type: Bug
Components: Message Store
Affects Versions: 5.10.0
Reporter: Gary Tully
Assignee: Gary Tully
Fix For: 5.11.0
the activemq destination map does not support prefix matching on multiple paths but you can provide multiple wildcard matches via a composite destination today using a comma separated list.
In the main, "a.dlq" will match {code}"*.dlq"{code}, but a.b.dlq needs a {code}"*.*.dlq"{code} - so there needs to be a match to the number of expected paths to the number of wildcards. Having extra matches is not a problem.
A composite destination like {code}("*.DLQ,*.*.DLQ,*.*.*.DLQ"){code}will give match FOO.DLQ, FOO.BAR.DLQ and FOO.BAR.BAR.DLQ etc.
There is a problem with the match all destinations mapping, if there is no destination configured then an Any destination (with composite of Queue=">" and Topic=">" is used under the covers, it has a physical name of "0" which is > than the first character of *.DLQ" so it gets picked first in error.
A workaround is to add your own default mapping for queues and topics {code}
<mKahaDB directory="${data}/kahadb" >
<filteredPersistenceAdapters>
<!-- match up to 3 paths that end in .DLQ -->
<filteredKahaDB queue="*.*.*.DLQ,*.*.DLQ,*.DLQ">
<persistenceAdapter>
<kahaDB journalMaxFileLength="5kb"/>
</persistenceAdapter>
</filteredKahaDB>
<!-- match all queues, specify a wildcard dest to avoid the Any under the covers -->
<filteredKahaDB queue=">" >
<persistenceAdapter>
<kahaDB journalMaxFileLength="10kb"/>
</persistenceAdapter>
</filteredKahaDB>
<!-- match all topics, specify a wildcard dest to avoid the Any under the covers -->
<filteredKahaDB topic=">" >
<persistenceAdapter>
<kahaDB journalMaxFileLength="10kb"/>
</persistenceAdapter>
</filteredKahaDB>
</filteredPersistenceAdapters>
</mKahaDB>
{code}
rather than use a filteredKahaDB and not specify a destination, with the default "all" behaviour
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