Allow the option of a DLQ per durable subscription DeadLetterStrategy
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Key: AMQ-3003
URL: https://issues.apache.org/activemq/browse/AMQ-3003
Project: ActiveMQ
Issue Type: New Feature
Components: Broker
Affects Versions: 5.4.1
Reporter: Gary Tully
Fix For: 5.5.0
>From https://issues.apache.org/activemq/browse/AMQ-2584 - with durable
>subscriptions sharing the DLQ there will be duplicate sends to the dlq if more
>than one durable sub rejects the message.
These durables are suppressed provided they are not already acked, in which
case the duplicate can hang about. The audit=false option for the DLQ works
around this, but it begs the question, can I know which durable subscription
refused a message.
To facilitate this, having a DLQ pre durable sub is a nice option. It can use
the clientId and subscriberName as the postfix, so
ACTIVEMQ_DLQ.ClientId-SubscriberName - If the subscriber changes subsequent
messages can go do a different DLQ. These destinations would need to be
manually deleted when no longer needed.
This will require additional methods in
org.apache.activemq.broker.region.policy.DeadLetterStrategy so will need to a
version update.
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