You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@activemq.apache.org by "Gary Tully (JIRA)" <ji...@apache.org> on 2015/10/21 14:56:27 UTC

[jira] [Created] (AMQ-6016) java.lang.IllegalArgumentException: Comparison method violates its general contract!

Gary Tully created AMQ-6016:
-------------------------------

             Summary: java.lang.IllegalArgumentException: Comparison method violates its general contract!
                 Key: AMQ-6016
                 URL: https://issues.apache.org/jira/browse/AMQ-6016
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.10.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.13.0


The message group balancing is based on state in the consumer that can be shared across destinations in error. Under load this can lead to:{code}
2015-04-13 10:24:20,034 | WARN  | IO Worker 308792 | Service                          | ivemq.broker.TransportConnection  312 | 121 - org.apache.activemq.activemq-osgi - 5.9.0 | Async error occurred: 
java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.util.TimSort.mergeHi(TimSort.java:868)[:1.7.0_65]
	at java.util.TimSort.mergeAt(TimSort.java:485)[:1.7.0_65]
	at java.util.TimSort.mergeCollapse(TimSort.java:410)[:1.7.0_65]
	at java.util.TimSort.sort(TimSort.java:214)[:1.7.0_65]
	at java.util.TimSort.sort(TimSort.java:173)[:1.7.0_65]
	at java.util.Arrays.sort(Arrays.java:659)[:1.7.0_65]
	at java.util.Collections.sort(Collections.java:217)[:1.7.0_65]
	at org.apache.activemq.broker.region.Queue.addToConsumerList(Queue.java:2131)[121:org.apache.activemq.activemq-osgi:5.9.0]
	at org.apache.activemq.broker.region.Queue.doActualDispatch(Queue.java:2067)[121:org.apache.activemq.activemq-osgi:5.9.0]
	at org.apache.activemq.broker.region.Queue.doDispatch(Queue.java:1972)[121:org.apache.activemq.activemq-osgi:5.9.0]
	at org.apache.activemq.broker.region.Queue.removeSubscription(Queue.java:587)[121:org.apache.activemq.activemq-osgi:5.9.0]
	at org.apache.activemq.broker.region.DestinationFilter.removeSubscription(DestinationFilter.java:127)[121:org.apache.activemq.activemq-osgi:5.9.0]
	at ......
	at java.lang.Thread.run(Thread.java:745)[:1.7.0_65]{code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)