[jira] Resolved: (AMQ-1892) Broker plugin to allow automatic discarding of the items being sent to the dead letter queue

["Rob Davies (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/AMQ-1892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rob Davies resolved AMQ-1892.
-----------------------------

      Assignee: Rob Davies
    Resolution: Fixed

patch applied by SVN revision 692449

> Broker plugin to allow automatic discarding of the items being sent to the dead letter queue
> --------------------------------------------------------------------------------------------
>
>                 Key: AMQ-1892
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1892
>             Project: ActiveMQ
>          Issue Type: New Feature
>          Components: Broker
>    Affects Versions: 5.0.0, 5.1.0
>            Reporter: Filip Hanik
>            Assignee: Rob Davies
>             Fix For: 5.2.0
>
>         Attachments: discarding-dlq-plugin.zip
>
>
> A very simple, yet very useful plugin to the broker. This allows one to configure queues and topics, all or matched based on regular expressions, to drop messages being sent to the DLQ
> extremely useful when one uses constant pending message limit strategy or the other eviction rules, but don't want to incur the overhead of yet another consumer to clear the DLQ
> Configuration looks like
>      <plugins>
>        <bean
>          xmlns="http://www.springframework.org/schema/beans"
>          id="discardingDlqBroker"
>          class="org.apache.activemq.plugin.DiscardingDLQBroker">
>  
>          <property name="dropAll" value="true"/>
>          <property name="dropTemporaryTopics" value="true"/>
>          <property name="dropTemporaryQueues" value="true"/>
>  
>          <!--drops by destination name, using java regular expressions
>              http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Pattern.html
>              delimited by spaces, so destination names cannot contain spaces
>          <property name="dropOnly" value="topic_1 queue_1"/>
>          -->
>  
>          <!--how frequently do we output how many messages we have dropped - use 0 for disable-->
>          <property name="reportInterval" value="1000"/>
>        </bean>
>      </plugins>

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