[
https://issues.apache.org/activemq/browse/AMQ-725?page=comments#action_36492 ]
William MacDonald commented on AMQ-725:
---------------------------------------
I have tested this with the new 4.01 release of ActiveMQ using the default
configuration file and I am still having the problem.
After performing a TCP connections to the Broker on the listener defined as
tcp://wrpkmnb:61613?wireFormat=stomp:
I transmit the connection message:
CONNECT\010login:billm\010passcode:billm\010client-id:webProcessor\010\010\000
After which I receive the message:
CONNECTED\010session:webProcessor\010\010\000\010
I then try to subscribe to a queue:
SUBSCRIBE\010destination:/queue/WebRequest\010id:webProcessorconsumer:2\010ack:client\010activemq.prefetchSize:1\010\010\000
And no response is returned from the Broker but the log shows the following
message.
Exception in thread "ActiveMQ Connection Dispatcher: 28939486"
java.lang.NullPointerException
at java.util.Hashtable.put(Unknown Source)
at java.util.Hashtable.putAll(Unknown Source)
at
org.apache.activemq.transport.stomp.FrameBuilder.addHeaders(FrameBuilder.java:65)
at
org.apache.activemq.transport.stomp.Subscription.receive(Subscription.java:76)
at
org.apache.activemq.transport.stomp.StompWireFormat.writeCommand(StompWireFormat.java:154)
at
org.apache.activemq.transport.stomp.StompWireFormat.marshal(StompWireFormat.java:305)
at
org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:124)
at
org.apache.activemq.transport.InactivityMonitor.oneway(InactivityMonitor.java:141)
at
org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:44)
at
org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
at
org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:211)
at
org.apache.activemq.broker.AbstractConnection.processDispatch(AbstractConnection.java:581)
at
org.apache.activemq.broker.AbstractConnection.iterate(AbstractConnection.java:597)
at
org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:87)
at
org.apache.activemq.thread.DedicatedTaskRunner.access$000(DedicatedTaskRunner.java:24)
at
org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:38)
For readability I have replaced the linefeeds with \010 and the nulls with \000
representations.
> Messages Sent by JMS that contain header properties cause error when STOMP
> client registers a Subscriber
> --------------------------------------------------------------------------------------------------------
>
> Key: AMQ-725
> URL: https://issues.apache.org/activemq/browse/AMQ-725
> Project: ActiveMQ
> Type: Bug
> Components: Transport
> Versions: 4.0
> Environment: Running on WinXP with Sun JDK1.5.0_06
> Reporter: William MacDonald
> Assignee: Hiram Chirino
> Priority: Blocker
> Fix For: 4.1, 4.0.2
>
>
> I am using the lastest 4.0 release build of ActiveMQ and I have been trying
> to produce messages in a JMS client and receive the messages in a STOMP
> client.
> What I have found is that if the JMS Client adds header properties to the
> message to be delivered to ActiveMQ then when I subscribe with the STOMP
> client I am receiving the Error listed below. If I remove all header
> properties then the message is transmitted correctly. I have also found that
> if I send messages with a STOMP client that has header properties then
> everything works correctly.
> java.lang.NullPointerException
> at java.util.Hashtable.put(Unknown Source)
> at java.util.Hashtable.putAll(Unknown Source)
> at
> org.apache.activemq.transport.stomp.FrameBuilder.addHeaders(FrameBuilder.java:65)
> at
> org.apache.activemq.transport.stomp.Subscription.receive(Subscription.java:76)
> at
> org.apache.activemq.transport.stomp.StompWireFormat.writeCommand(StompWireFormat.java:154)
> at
> org.apache.activemq.transport.stomp.StompWireFormat.marshal(StompWireFormat.java:305)
> at
> org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:124)
> at
> org.apache.activemq.transport.InactivityMonitor.oneway(InactivityMonitor.java:141)
> at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:44)
> at
> org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
> at
> org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:211)
> at
> org.apache.activemq.broker.AbstractConnection.processDispatch(AbstractConnection.java:581)
> at
> org.apache.activemq.broker.AbstractConnection.iterate(AbstractConnection.java:597)
> at
> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:87)
> at
> org.apache.activemq.thread.DedicatedTaskRunner.access$000(DedicatedTaskRunner.java:24)
> at
> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:38)
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