Client and Broker hang trying to start a connection
---------------------------------------------------
Key: AMQ-768
URL: https://issues.apache.org/activemq/browse/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:
http://incubator.apache.org/activemq/
INFO ManagementContext - JMX consoles can connect to service:jmx:r
mi:///jndi/rmi://localhost:1099/jmxrmi
INFO JDBCPersistenceAdapter - Database driver recognized: [apache_derby
_embedded_jdbc_driver]
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
al
INFO JournalPersistenceAdapter - Journal Recovered: 1 message(s) in transa
ctions recovered.
INFO TransportServerThreadSupport - Listening for connections at: tcp://SIM-J
amesM:61616
WARN MulticastDiscoveryAgent - brokerName not set
INFO TransportConnector - Connector default Started
INFO TransportServerThreadSupport - Listening for connections at: tcp://SIM-J
amesM:61613?wireFormat=stomp
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: org.apache.ac
tivemq:BrokerName=localhost,Type=Connection,ConnectorName=default,Connection=9
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 edu.emory.mathcs.backport.java.util.concurr
ent.CountDownLatch)
at java.lang.Object.wait(Object.java:474)
at edu.emory.mathcs.backport.java.util.concurrent.CountDownLatch.await(C
ountDownLatch.java:179)
- locked <0x02b66278> (a edu.emory.mathcs.backport.java.util.concurrent.
CountDownLatch)
at org.apache.activemq.transport.WireFormatNegotiator.oneway(WireFormatN
egotiator.java:73)
at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.ja
va:44)
- locked <0x02b64098> (a java.lang.Object)
at org.apache.activemq.transport.ResponseCorrelator.asyncRequest(Respons
eCorrelator.java:68)
at org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorr
elator.java:73)
at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnect
ion.java:1131)
at org.apache.activemq.ActiveMQConnection.ensureConnectionInfoSent(Activ
eMQConnection.java:1219)
- locked <0x02b602c0> (a org.apache.activemq.ActiveMQConnection)
at org.apache.activemq.ActiveMQConnection.start(ActiveMQConnection.java:
435)
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