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From "Jamie McCrindle (JIRA)" <>
Subject [jira] Created: (AMQ-768) Client and Broker hang trying to start a connection
Date Wed, 21 Jun 2006 08:30:52 GMT
Client and Broker hang trying to start a connection

         Key: AMQ-768
     Project: ActiveMQ
        Type: Bug

    Versions: 4.0    
 Environment: JDK 1.5.0_06, Windows XP SP2
    Reporter: Jamie McCrindle

Every now and again a client hangs connecting to the broker. The broker is configured with
the default activemq.xml. The stack dumps are as follows:

ACTIVEMQ_HOME: C:\Java\incubator-activemq-4.0\bin\..
Loading message broker from: xbean:activemq.xml
INFO  BrokerService                  - ActiveMQ 4.0 JMS Message Broker (localhos
t) is starting
INFO  BrokerService                  - For help or more information please see:
INFO  ManagementContext              - JMX consoles can connect to service:jmx:r
INFO  JDBCPersistenceAdapter         - Database driver recognized: [apache_derby
INFO  JournalPersistenceAdapter      - Journal Recovery Started from: Active Jou
rnal: using 5 x 20.0 Megs at: C:\Java\incubator-activemq-4.0\activemq-data\journ
INFO  JournalPersistenceAdapter      - Journal Recovered: 1 message(s) in transa
ctions recovered.
INFO  TransportServerThreadSupport   - Listening for connections at: tcp://SIM-J
WARN  MulticastDiscoveryAgent        - brokerName not set
INFO  TransportConnector             - Connector default Started
INFO  TransportServerThreadSupport   - Listening for connections at: tcp://SIM-J
INFO  TransportConnector             - Connector stomp Started
INFO  NetworkConnector               - Network Connector default Started
INFO  BrokerService                  - ActiveMQ JMS Message Broker (localhost, I
D:SIM-JamesM-2205-1149180591980-1:0) started
WARN  ManagedTransportConnection     - Failed to unregister mbean:

the stack dump is:

"main" prio=6 tid=0x000379d0 nid=0x93d0 in Object.wait() [0x0007e000..0x0007fc40
       at java.lang.Object.wait(Native Method)
       - waiting on <0x02b66278> (a
       at java.lang.Object.wait(
       - locked <0x02b66278> (a
       at org.apache.activemq.transport.WireFormatNegotiator.oneway(WireFormatN
       at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.ja
       - locked <0x02b64098> (a java.lang.Object)
       at org.apache.activemq.transport.ResponseCorrelator.asyncRequest(Respons
       at org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorr
       at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnect
       at org.apache.activemq.ActiveMQConnection.ensureConnectionInfoSent(Activ
       - locked <0x02b602c0> (a org.apache.activemq.ActiveMQConnection)
       at org.apache.activemq.ActiveMQConnection.start(

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