1600 PMP mock questions 1400 CAPM mock questions 800 SCJP 6 mock questions 600 OCAJP 7 mock questions 590 OCPJP 7 mock questions 556 SCWCD 5 mock questions 500 OCEJWCD 6 mock questions pdfDownload (java,struts, hibernet etc)

JMS interview questions

!!! JMS interview questions !!!

Q. When to Remove messages from the queue ?

When an application uses ConnectionConsumers, JMS might need to remove messages from the queue in a number of situations:
1) Badly formatted message

A message might arrive that JMS cannot parse.

2) Poison message
A message might reach the backout threshold, but the ConnectionConsumer fails to requeue it on the backout queue.

3)No interested ConnectionConsumer

For point-to-point messaging, when the QueueConnectionFactory is set so that it does not retain unwanted messages, a message arrives that is unwanted by any of the ConnectionConsumers.

The information you are posting should be related to java and ORACLE technology. Not political.