Hi, i have got the following WARNING Message... 2018-03-05 17:07:17,385 | WARN | Async error occurred: javax.jms.JMSException: Unmatched acknowledge: MessageAck {commandId = 3101, responseRequired = false, ackType = 2, consumerId = ID:FEICFFR011-61629-1520204406620-0:4:0:0, firstMessageId = ID:FEICFFR011-63905-1520229600356-1:1:1:1:301, lastMessageId = ID:FEICFFR011-63905-1520229600356-1:1:1:1:302, destination = queue://DZBANK_TO_ICF, transactionId = TX:ID:FEICFFR011-61629-1520204406620-0:4:1027, messageCount = 2, poisonCause = null}; Could not find Message-ID ID:FEICFFR011-63905-1520229600356-1:1:1:1:301 in dispatched-list (start of ack) | org.apache.activemq.broker.TransportConnection.Service | ActiveMQ Transport: tcp:///127.0.0.1:49257@61616 javax.jms.JMSException: Unmatched acknowledge: MessageAck {commandId = 3101, responseRequired = false, ackType = 2, consumerId = ID:FEICFFR011-61629-1520204406620-0:4:0:0, firstMessageId = ID:FEICFFR011-63905-1520229600356-1:1:1:1:301, lastMessageId = ID:FEICFFR011-63905-1520229600356-1:1:1:1:302, destination = queue://DZBANK_TO_ICF, transactionId = TX:ID:FEICFFR011-61629-1520204406620-0:4:1027, messageCount = 2, poisonCause = null}; Could not find Message-ID ID:FEICFFR011-63905-1520229600356-1:1:1:1:301 in dispatched-list (start of ack) at org.apache.activemq.broker.region.PrefetchSubscription.assertAckMatchesDispatched(PrefetchSubscription.java:482) at org.apache.activemq.broker.region.PrefetchSubscription.acknowledge(PrefetchSubscription.java:214) at org.apache.activemq.broker.region.AbstractRegion.acknowledge(AbstractRegion.java:426) at org.apache.activemq.broker.region.RegionBroker.acknowledge(RegionBroker.java:408) at org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:77) at org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:77) at org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:77) at org.apache.activemq.broker.TransactionBroker.acknowledge(TransactionBroker.java:287) at org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:77) at org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:87) at org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:508) at org.apache.activemq.command.MessageAck.visit(MessageAck.java:236) at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:329) at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:184) at org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:50) at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113) at org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:288) at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83) at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:214) at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:196) at java.lang.Thread.run(Unknown Source)
My Probelm is know that it seems that the incoming Message would not be acknowlodged at this time, the message would hold back in ActiveMQ (we use no dead letter Queue!) and would be send again some times later. So our Application receive the message at 2 times. We use ActiveMQ 5.8.0 on Windows distribution (32 bit). Our Transport Mode for ActiveMQ is SESSION_TRANSACTED so we commit every Message when they was arraived. This works the most time perfect, but sometimes we had this WARNING "Async error occurred" and we get some Messages doubles. Is it possible to solve this when we update to newer ActiveMQ maybe 5.12. or is it a problem with the transport Mode? Hope somebody can hel me... -- Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-f2341805.html