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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Setting Java System Properties (java -D xxx) in WMB 6.0

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capistrano
PostPosted: Mon Nov 03, 2008 9:16 am    Post subject: Setting Java System Properties (java -D xxx) in WMB 6.0 Reply with quote

Novice

Joined: 28 Jun 2005
Posts: 13
Location: Dublin
Does anyone know how/if I can specify System Property definitions for the WMB 6.0 JVM?

I am talking about the System Properties specified with -D option on the java command.

The idea is that if I can specify these System Properties then I can read the from ESQL via an external java function. In this way I can parameterise my application per environment.
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mqjeff
PostPosted: Mon Nov 03, 2008 10:08 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447
Just use User Defined Properties on your Bar File instead.

You can read those just fine from Java.

And you can also read them from ESQL, which you won't be able to do with -D properties unless you write a Java routine that you can call (and even then it's a bad idea).
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capistrano
PostPosted: Tue Nov 04, 2008 2:53 am    Post subject: Reply with quote

Novice

Joined: 28 Jun 2005
Posts: 13
Location: Dublin
Yes, I'll probably use User Defined Properties.

But I'd still be inteterested in knowing if I can set JVM System Properties that can then be accessed from Java running on WMB.
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mqmatt
PostPosted: Tue Nov 04, 2008 5:02 am    Post subject: Reply with quote

Grand Master

Joined: 04 Aug 2004
Posts: 1213
Location: Hursley, UK
You can use the environment variable MQSIJVERBOSE to pass extra commandline parameters to the JVM.
Code:
set MQSIJVERBOSE=-D xx

Use with caution; as other posters have said, UDPs should be used wherever possible.
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