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From "Veit Guna (JIRA)" <>
Subject [jira] Created: (CAMEL-683) Redelivery on a failure doesn't respect the initialRedeliveryDelay on the first attempt.
Date Mon, 07 Jul 2008 10:00:00 GMT
Redelivery on a failure doesn't respect the initialRedeliveryDelay on the first attempt.

                 Key: CAMEL-683
             Project: Apache Camel
          Issue Type: Improvement
          Components: camel-jms
    Affects Versions: 1.3.0
         Environment: Linux, ActiveMQ 5.1, Spring 2.5.x with transacted DefaultMessageListenerContainer
            Reporter: Veit Guna


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="">

        <route errorHandlerRef="deadLetterErrorHandler">
                <from uri="activemq:NEW" />

<bean id="deadLetterErrorHandler" class="org.apache.camel.builder.DeadLetterChannelBuilder">
    <property name="redeliveryPolicy" ref="redeliveryPolicyConfig"/>

<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" />

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:

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


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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