Why do the JMS dbms_aqadm.add_subscriber and dbms_aqadm.remove_subscriber calls sometimes hang when there are concurrent enqueues or dequeues happening on the same queue to which these calls are issued?
1 2470Why do the TopicSession.createDurableSubscriber and TopicSession.unubscribe calls raise JMSException with the message "ORA - 4020 - deadlock detected while trying to lock object"?
1 2153Why doesn't AQ_ADMINISTRATOR_ROLE or AQ_USER_ROLE always work for AQ applications using Java/JMS API?
1 3585
What is a topic in messaging?
Why is jms used?
What is the difference between Jms and Jvt ?
What is jms jndi?
Which are the benefits of mdb (message driven beans) over standard jms consumers?
How many types of messaging model do JMS provide for and what are they?
Can jms be used to send an email?
What is queue connection factory?
What is jms protocol?
What is the difference between the P2P (Peer to Peer) model and subscribe model?
What are all the features of JMS API in J2EE platform?
What are the steps to send and receive JMS message ?
What are the different parts of a jms message?
What are the types of communication provided by jms? Explain in detail.
What are the components of a jms messaging application?