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From "Veit Guna (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (CAMEL-683) Redelivery on a failure doesn't respect the initialRedeliveryDelay on the first attempt.
Date Tue, 08 Jul 2008 17:57:00 GMT

     [ https://issues.apache.org/activemq/browse/CAMEL-683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Veit Guna reopened CAMEL-683:
-----------------------------


Hi.

Sorry for reopening but the redeliveryDelay problem still exists. But it seems no camel problem
then because I'm not using camel anymore, instead the redeliveryPolicy on the AQConnectionFactory.

So, should that be moved to the AQM project then? There I'm using AMQ 5.1.0 (Camel 1.3).


> Redelivery on a failure doesn't respect the initialRedeliveryDelay on the first attempt.
> ----------------------------------------------------------------------------------------
>
>                 Key: CAMEL-683
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-683
>             Project: Apache Camel
>          Issue Type: Improvement
>          Components: camel-jms
>    Affects Versions: 1.4.0
>         Environment: Linux, ActiveMQ 5.1, Spring 2.5.x with transacted DefaultMessageListenerContainer
>            Reporter: Veit Guna
>            Assignee: Claus Ibsen
>             Fix For: 1.4.0
>
>
> Hi.
> I'm using ActiveMQ 5.1 together with Spring's DefaultMessageListenerContainer to enable
MDPs. I'm using the redeliveryPolicy to enable redelivery on failures during consumption of
a message. ActiveMQ configuration looks like this:
>     <camelContext id="camel" xmlns="http://activemq.apache.org/camel/schema/spring">
>         <route errorHandlerRef="deadLetterErrorHandler">
>                 <from uri="activemq:NEW" />
>         </route>
>     </camelContext>
> <bean id="deadLetterErrorHandler" class="org.apache.camel.builder.DeadLetterChannelBuilder">
>     <property name="redeliveryPolicy" ref="redeliveryPolicyConfig"/>
> </bean>
> <bean id="redeliveryPolicyConfig" class="org.apache.camel.processor.RedeliveryPolicy">
>     <property name="maximumRedeliveries" value="4"/>
>     <property name="initialRedeliveryDelay" value="30000"/>
>     <property name="useExponentialBackOff" value="true"/>
>     <property name="backOffMultiplier" value="2" />
> </bean>
> Now if a failure occurs, the configured delay isn't used on the first redelivery attempt.
Instead redelivery takes place immediately after the failure occured. This sounds odd to me,
since the property is even called initialRedeliveryDelay :). I know that maybe this was caused
due to the following issue:
> https://issues.apache.org/activemq/browse/AMQ-1032
> In my opinion immediately redelivery isn't very useful in most cases. If a failure occurs,
it won't be fixed some ms later :). So my suggestion is (in respect to AMQ-1032) to have two
options:
> initialRedeliveryDelay
> redeliveryDelay
> So both configurations would be possible. For AMQ-1032 just configure initialRedeliveryDelay
to 0. Otherwise just take the redeliveryDelay as initialRedeliveryDelay to get what I want
:).
> Does this make sense?

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