JMS Queue Messages for multiple consumers on weblogic 8.1 sp6

I have encountered a problem. I have one jms queue and multiple slaves listening to that queue asynchronously. If there are more messages on that queue they are not picked up by all slaves but only concentrated with one or two slaves and other slaves are still idle. I have started all slaves at a time and later the messages are sent to queue. We are using weblogic 8.1 sp6 and the consumers are jms clients.

Does any one encountered this problem. If yes, appreciate a quick response for resolving this.
[ July 10, 2008: Message edited by: poppy crazy ]

Please don't post the same question multiple times.

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