Abhi created AMQ-6622:
-------------------------
Summary: Unmatched acknowledge: MessageAckExpected - message
count (1) differs from count in dispatched-list (2)
Key: AMQ-6622
URL: https://issues.apache.org/jira/browse/AMQ-6622
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.14.4
Environment: ActiveMQ v5.14.4, Linux, STOMP consumer
Reporter: Abhi
Observed below exceptions in STOMP consumer after failover.
The consumer continued to receive messages but this exception kept coming and
when the master activemq instance took over after another failover, all the
messages were redelivered and below warning went away.
Exception:
[20170310 00:24:22:092 stomp_client.py:82 ERROR] Received an error:
org.apache.activemq.transport.stomp.ProtocolException: Unexpected ACK received
for message-id [ID:diogenes31.nyc.deshaw.com-41001-1489085659582-1:4:-1:1:1]
at
org.apache.activemq.transport.stomp.ProtocolConverter.onStompAck(ProtocolConverter.java:475)
at
org.apache.activemq.transport.stomp.ProtocolConverter.onStompCommand(ProtocolConverter.java:250)
at
org.apache.activemq.transport.stomp.StompTransportFilter.onCommand(StompTransportFilter.java:85)
at
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
at
org.apache.activemq.transport.stomp.StompCodec.processCommand(StompCodec.java:129)
at
org.apache.activemq.transport.stomp.StompCodec.parse(StompCodec.java:100)
at
org.apache.activemq.transport.stomp.StompNIOTransport.processBuffer(StompNIOTransport.java:136)
at
org.apache.activemq.transport.stomp.StompNIOTransport.serviceRead(StompNIOTransport.java:121)
at
org.apache.activemq.transport.stomp.StompNIOTransport.access$000(StompNIOTransport.java:44)
at
org.apache.activemq.transport.stomp.StompNIOTransport$1.onSelect(StompNIOTransport.java:73)
at
org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:98)
at
org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:118)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
[20170310 00:24:22:096 stomp_client.py:82 ERROR] Received an error:
javax.jms.JMSException: Unmatched acknowledge: MessageAck {commandId = 5,
responseRequired = false, ackType = 2, consumerId =
ID:diogenes31.nyc.deshaw.com-41001-1489085659582-1:9:-1:1, firstMessageId =
null, lastMessageId =
ID:diogenes31.nyc.deshaw.com-41001-1489085659582-1:4:-1:1:2, destination =
topic://run1.topic.0, transactionId = null, messageCount = 1, poisonCause =
null}; Expected message count (1) differs from count in dispatched-list (2)
at
org.apache.activemq.broker.region.PrefetchSubscription.assertAckMatchesDispatched(PrefetchSubscription.java:520)
at
org.apache.activemq.broker.region.PrefetchSubscription.acknowledge(PrefetchSubscription.java:212)
at
org.apache.activemq.broker.region.AbstractRegion.acknowledge(AbstractRegion.java:528)
at
org.apache.activemq.broker.region.RegionBroker.acknowledge(RegionBroker.java:484)
at
org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:88)
at
org.apache.activemq.broker.TransactionBroker.acknowledge(TransactionBroker.java:276)
at
org.apache.activemq.broker.BrokerFilter.acknowledge(BrokerFilter.java:88)
at
org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:98)
at
org.apache.activemq.broker.util.LoggingBrokerPlugin.acknowledge(LoggingBrokerPlugin.java:162)
at
org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:98)
at
deshaw.tools.jms.ActiveMQLoggingPlugin.acknowledge(ActiveMQLoggingPlugin.java:453)
at
org.apache.activemq.broker.MutableBrokerFilter.acknowledge(MutableBrokerFilter.java:98)
at
org.apache.activemq.broker.TransportConnection.processMessageAck(TransportConnection.java:590)
at org.apache.activemq.command.MessageAck.visit(MessageAck.java:245)
at
org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:336)
at
org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:200)
at
org.apache.activemq.transport.MutexTransport.onCommand(MutexTransport.java:45)
at
org.apache.activemq.transport.AbstractInactivityMonitor.onCommand(AbstractInactivityMonitor.java:301)
at
org.apache.activemq.transport.stomp.StompTransportFilter.sendToActiveMQ(StompTransportFilter.java:97)
at
org.apache.activemq.transport.stomp.ProtocolConverter.sendToActiveMQ(ProtocolConverter.java:202)
at
org.apache.activemq.transport.stomp.ProtocolConverter.onStompAck(ProtocolConverter.java:456)
at
org.apache.activemq.transport.stomp.ProtocolConverter.onStompCommand(ProtocolConverter.java:250)
at
org.apache.activemq.transport.stomp.StompTransportFilter.onCommand(StompTransportFilter.java:85)
at
org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
at
org.apache.activemq.transport.stomp.StompCodec.processCommand(StompCodec.java:129)
at
org.apache.activemq.transport.stomp.StompCodec.parse(StompCodec.java:100)
at
org.apache.activemq.transport.stomp.StompNIOTransport.processBuffer(StompNIOTransport.java:136)
at
org.apache.activemq.transport.stomp.StompNIOTransport.serviceRead(StompNIOTransport.java:121)
at
org.apache.activemq.transport.stomp.StompNIOTransport.access$000(StompNIOTransport.java:44)
at
org.apache.activemq.transport.stomp.StompNIOTransport$1.onSelect(StompNIOTransport.java:73)
at
org.apache.activemq.transport.nio.SelectorSelection.onSelect(SelectorSelection.java:98)
at
org.apache.activemq.transport.nio.SelectorWorker$1.run(SelectorWorker.java:118)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
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