Duplicate dispatch on connection...

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Duplicate dispatch on connection...

mandjeo
Hi !

I was developing some plugins for ActiveMQ and I am getting the following exception when an onMessage method of my listener is about to be executed:

Jul 20, 2012 12:34:15 PM org.apache.activemq.ActiveMQMessageConsumer dispatch
WARNING: Duplicate dispatch on connection: ID:milos-Satellite-M505-39751-1342780418965-2:1 to consumer: ID:milos-Satellite-M505-39751-1342780418965-2:1:3:1, ignoring (auto acking) duplicate: MessageDispatch {commandId = 0, responseRequired = false, consumerId = ID:milos-Satellite-M505-39751-1342780418965-2:1:3:1, destination = queue://Service89State, message = ActiveMQTextMessage {commandId = 0, responseRequired = false, messageId = ID:milos-Satellite-M505-38542-1342780398498-2:1:0:0:1, originalDestination = null, originalTransactionId = null, producerId = ID:milos-Satellite-M505-38542-1342780398498-2:1:0:0, destination = queue://Service89State, transactionId = null, expiration = 0, timestamp = 0, arrival = 0, brokerInTime = 1342780455321, brokerOutTime = 1342780455322, correlationId = ID:milos-Satellite-M505-37200-1342780448416-2:1:1:2:1, replyTo = queue://StateReplicationQueue, persistent = false, type = null, priority = 0, groupID = null, groupSequence = 0, targetConsumerId = null, compressed = false, userID = null, content = null, marshalledProperties = null, dataStructure = null, redeliveryCounter = 0, size = 0, properties = null, readOnlyProperties = true, readOnlyBody = true, droppable = false, text = getState}, redeliveryCounter = 0}

Can you help me how to resolve this problem, or at least tell me what could be the cause?
If you need some more details I will be happy to provide...

Thanks !!!