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MQSeries.net Forum Index » IBM MQ Java / JMS » Null pointer exception in MQ get call for idle time

Null pointer exception in MQ get call for idle time

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jothiraju

Posted: Mon Apr 09, 2007 11:04 pm Post subject: Null pointer exception in MQ get call for idle time

Newbie

Joined: 09 Apr 2007
Posts: 3

Hi friends I'm working in a banking project and we use MQ for middleware.During End of day process the MQ get call will be issued to a queue but it will fail since the CORE is down.After sometime the Java component which issues MQget call rises null pointer exception and no transaction can be further made the next day morning.PLease give me solution or your suggestion to solve this issue it is very critical.

Mr Butcher

Posted: Tue Apr 10, 2007 12:36 am Post subject:

Padawan

Joined: 23 May 2005
Posts: 1716

sounds like an application error. fix the program, and review your design and processing schedule (why is the application active when MQ (or what do you mean by CORE) is not available?
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Regards, Butcher

jothiraju

Posted: Tue Apr 10, 2007 1:13 am Post subject:

Newbie

Joined: 09 Apr 2007
Posts: 3

CORE is the main database connecting all branches.The Java component which i mentioned will update the queue satus by sending message to core and receive from CORE. if there is no response that component will update that queue status as dead.And this is a threaded process.
What happends at the End of day is CORE will not response so it'll keep on updating all the queue status as not alive , and during start of day the CORE will send response so the component will update the queue as alive. This was working fine sometimes before but now its throwing null pointer exception after end of day and does not pick up any message at start of day.

Vitor

Posted: Tue Apr 10, 2007 1:30 am Post subject:

Grand High Poobah

Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

Mr Butcher wrote:

why is the application active when MQ (or what do you mean by CORE) is not available?

I echo this question. Why not trigger the application?

Your Null pointer is an application problem.
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Insanity is the best defence.

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