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MQ Error 2039 when using MQPut API within an external Java

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raghavendrarao4

Posted: Mon Jan 22, 2007 2:47 pm Post subject: MQ Error 2039 when using MQPut API within an external Java

Newbie

Joined: 22 Jan 2007
Posts: 8

We get the MQexception 2039 when connecting to the queue manager using Java API provided by MQ. The call to the MQ Java class happens from within the message flow, as an external Java program. MQ put from Java is successful, but the subsequent queue open for output (MQOutput node in the message flow) fails. It is as if only one connection to the queue manager from a single thread is allowed. Is that true? Is there something in MQ environment, queue open options or message put options that will fix this?

Vitor

Posted: Mon Jan 22, 2007 11:53 pm Post subject: Re: MQ Error 2039 when using MQPut API within an external Ja

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

raghavendrarao4 wrote:

It is as if only one connection to the queue manager from a single thread is allowed.

AFAIK (which is not that far with Java) that's the case.

I draw your attention to the Java section, where MQ & threading has been discussed frequently. You may find something in there which will allow you to work round this.

You may also want to reconsider calling external programs from inside a message flow, which is an interesting design choice.....

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