Dumitru HUSLEAG created AMQ-6062:
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             Summary: Broker goes 100% CPU on multi-queue command line browse
                 Key: AMQ-6062
                 URL: https://issues.apache.org/jira/browse/AMQ-6062
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.12.0, 5.9.1
         Environment: Linux Ubuntu, Aix, with both Java 6 and Java 7
            Reporter: Dumitru HUSLEAG
            Priority: Critical


Hello,
The case happend in a production environment forcing us to kill the broker and 
restart because he was nor responding anymore to clients.
The Broker may enter a state of high CPU consumption (100% or 200% if 2 browse 
enter the infinite loop in the same time). Tested version: 5.9.1 and the last, 
5.12.0, but of course I suppose all in beetwen are affected.

The scenario may be produced with a fresh non modified install (and config) of 
ActiveMQ broker:
1. set ACTIVEMQ_HOME, JAVA_HOME and PATH to point accordingly to the right 
activemq, and Java version.
2. cd $ACTIVEMQ_HOME/bin; ./activemq start
3. inject at least 2000 messages in each of two ques, say QA.ONE and QA.TWO
4. $ $ACTIVEMQ_HOME/bin/activemq browse --view JMSDestination,JMSMessageID 
--amqurl tcp://localhost:61616 QA.*



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