[jboss-user] [jBPM] - HornetQ taskclient connection exceptions.

[Arun Selva]

Arun Selva [https://community.jboss.org/people/arselv] created the discussion

"HornetQ taskclient connection exceptions."

To view the discussion, visit: https://community.jboss.org/message/745707#745707

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1. When im connecting to the HornetQ task service with 



+String name = "client 1" ;+
+TaskClient client = new TaskClient(new HornetQTaskClientConnector(name, new HornetQTaskClientHandler(SystemEventListenerFactory.getSystemEventListener())));+

and operate on the tasks with client.start() and client.complete(), im getting this classcastexception.

+Exception in thread "Thread-2" java.lang.RuntimeException: Client Exception with class class org.jbpm.task.service.hornetq.HornetQTaskClientConnector$1 using port 5445+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector$1.run(HornetQTaskClientConnector.java:134)+
+          at java.lang.Thread.run(Unknown Source)+
+Caused by: java.lang.ClassCastException: org.jbpm.task.service.responsehandlers.BlockingQueryGenericResponseHandler cannot be cast to org.jbpm.task.service.TaskClientHandler$TaskOperationResponseHandler+
+          at org.jbpm.task.service.TaskClientHandler.messageReceived(TaskClientHandler.java:64)+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientHandler.messageReceived(HornetQTaskClientHandler.java:56)+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector$1.run(HornetQTaskClientConnector.java:120)+

2. But if i connect to the service with adding a random number.

+String name = "client 1" ++UUID.randomUUID();+
+TaskClient client = new TaskClient(new HornetQTaskClientConnector(name, new HornetQTaskClientHandler(SystemEventListenerFactory.getSystemEventListener())));+

Im getting java heap space issue with too many open client session.

Is it a problem because as im not disconnecting client (client.disconnect()) .?
Is there any simple example of using HornetQ.?

Kinldy help in this issue.
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