Java EE (Java Enterprise Edition) General Discussion

Hi guys!
I am having trouble in getting connected to the Queue Manager.I am getting these errors
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com.ibm.mq.MQException: MQJE001: An MQException occurred: Completion Code 2, Rea
son 2035
MQJE036: Queue manager rejected connection attempt
at com.ibm.mq.MQManagedConnectionJ11.<init>(MQManagedConnectionJ11.java:
242)
at com.ibm.mq.MQClientManagedConnectionFactoryJ11._createManagedConnecti
on(MQClientManagedConnectionFactoryJ11.java:276)
at com.ibm.mq.MQClientManagedConnectionFactoryJ11.createManagedConnectio
n(MQClientManagedConnectionFactoryJ11.java:296)
at com.ibm.mq.StoredManagedConnection.<init>(StoredManagedConnection.jav
a:80)
at com.ibm.mq.MQSimpleConnectionManager.allocateConnection(MQSimpleConne
ctionManager.java:171)
at com.ibm.mq.MQQueueManager.obtainBaseMQQueueManager(MQQueueManager.jav
a:754)
at com.ibm.mq.MQQueueManager.construct(MQQueueManager.java:688)
at com.ibm.mq.MQQueueManager.<init>(MQQueueManager.java:469)
at com.ibm.mq.MQSPIQueueManager.<init>(MQSPIQueueManager.java:52)
at com.ibm.mq.jms.MQConnection.createQM(MQConnection.java:2255)
at com.ibm.mq.jms.MQConnection.createQMNonXA(MQConnection.java:1749)
at com.ibm.mq.jms.MQQueueConnection.<init>(MQQueueConnection.java:144)
at com.ibm.mq.jms.MQQueueConnection.<init>(MQQueueConnection.java:54)
at com.ibm.mq.jms.MQQueueConnectionFactory.createQueueConnection(MQQueue
ConnectionFactory.java:106)
at MqConnTest.<init>(MqConnTest.java:69)
at MqConnTest.main(MqConnTest.java:106)
Caused by: com.ibm.mqservices.MQInternalException: MQJE001: An MQException occur
red: Completion Code 2, Reason 2035
MQJE036: Queue manager rejected connection attempt
at com.ibm.mq.MQInternalCommunications.connectToQueueManager(MQInternalC
ommunications.java:2894)
at com.ibm.mq.MQInternalCommunications.<init>(MQInternalCommunications.j
ava:619)
at com.ibm.mq.MQSESSIONClient.MQCONN(MQSESSIONClient.java:1344)
at com.ibm.mq.MQManagedConnectionJ11.<init>(MQManagedConnectionJ11.java:
218)
... 15 more
MQJMS2013: invalid security authentication supplied for MQQueueManager
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can you advice me what is missing and what should be done.
thanks in advance
-Chandra