Getting security exception while conecting to jms queue

Issue

• we are getting below exception when trying to push a jms message in jboss eap 6 server from java client code.

Exception in thread "main" javax.jms.JMSSecurityException: Unable to validate user: xyz
    at org.hornetq.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:312)
    at org.hornetq.core.client.impl.ClientSessionFactoryImpl.createSessionInternal(ClientSessionFactoryImpl.java:781)
    at org.hornetq.core.client.impl.ClientSessionFactoryImpl.createSession(ClientSessionFactoryImpl.java:280)
    at org.hornetq.jms.client.HornetQConnection.authorize(HornetQConnection.java:611)
    at org.hornetq.jms.client.HornetQConnectionFactory.createConnectionInternal(HornetQConnectionFactory.java:684)
    at org.hornetq.jms.client.HornetQConnectionFactory.createQueueConnection(HornetQConnectionFactory.java:131)
    at com.hp.adapter.generic.StandaloneQueueSendClientSecond.init(StandaloneQueueSendClientSecond.java:53)
    at com.hp.adapter.generic.StandaloneQueueSendClientSecond.main(StandaloneQueueSendClientSecond.java:22)
Caused by: HornetQException[errorCode=105 message=Unable to validate user: xyz]
    ... 8 more