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https://issues.apache.org/jira/browse/AMQNET-335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rasitha Wijesinghe updated AMQNET-335:
--------------------------------------
Priority: Minor (was: Major)
> MessageConsumer does not Rollback on Exception
> ----------------------------------------------
>
> Key: AMQNET-335
> URL: https://issues.apache.org/jira/browse/AMQNET-335
> Project: ActiveMQ .Net
> Issue Type: Bug
> Components: ActiveMQ
> Reporter: Rasitha Wijesinghe
> Assignee: Jim Gomes
> Priority: Minor
>
> For modes of AutoAcknowledgeEach, AutoAcknowledgeBatch &
> IndividualAcknowledge, Dispatch method is missing a call to Rollback() when
> listener throws an exception.
> Java version is doing this correctly but the .net version does not have that
> call.
> http://permalink.gmane.org/gmane.comp.java.activemq.user/30901
> Because of this, messages don't get properly nacked nor will they get into a
> DLQ correctly.
> Java Code:
> } catch (RuntimeException e) {
> LOG.error(getConsumerId() + " Exception while processing message: " +
> md.getMessage().getMessageId(), e);
> if (isAutoAcknowledgeBatch() || isAutoAcknowledgeEach() ||
> session.isIndividualAcknowledge()) {
> // schedual redelivery and possible dlq processing
> md.setRollbackCause(e);
> rollback();
> } else {
> // Transacted or Client ack: Deliver the
> // next message.
> afterMessageIsConsumed(md, false);
> }
> }
> .Net version:
> catch(Exception e)
> {
> if(IsAutoAcknowledgeBatch || IsAutoAcknowledgeEach ||
> IsIndividualAcknowledge)
> {
> // Redeliver the message
> }
> else
> {
> // Transacted or Client ack: Deliver the next message.
> this.AfterMessageIsConsumed(dispatch, false);
> }
> Tracer.Error(this.info.ConsumerId + " Exception while processing
> message: " + e);
> // If aborted we stop the abort here and let normal processing resume.
> // This allows the session to shutdown normally and ack all messages
> // that have outstanding acks in this consumer.
> if( (Thread.CurrentThread.ThreadState & ThreadState.AbortRequested) ==
> ThreadState.AbortRequested)
> {
> Thread.ResetAbort();
> }
> }
> Think the solution is to call Rollback().
> catch(Exception e)
> {
> if(IsAutoAcknowledgeBatch || IsAutoAcknowledgeEach ||
> IsIndividualAcknowledge)
> {
> // Redeliver the message
> Rollback(); // this takes care of checking the RedeliveryCounter
> and nacking when necessary
> }
> else
> {
> // Transacted or Client ack: Deliver the next message.
> this.AfterMessageIsConsumed(dispatch, false);
> }
> Tracer.Error(this.info.ConsumerId + " Exception while processing
> message: " + e);
> // If aborted we stop the abort here and let normal processing resume.
> // This allows the session to shutdown normally and ack all messages
> // that have outstanding acks in this consumer.
> if( (Thread.CurrentThread.ThreadState & ThreadState.AbortRequested) ==
> ThreadState.AbortRequested)
> {
> Thread.ResetAbort();
> }
> }
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