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| MQSeries Java programs - as NT/Win2K services |
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| educos |
 Posted: Thu May 23, 2002 3:36 pm Post subject: MQSeries Java programs - as NT/Win2K services |
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Apprentice
Joined: 18 Jul 2001
Posts: 34
Location: Salt Lake City, UT
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Do you know how to run - as an NT/Win2K service - a Sun JDK 1.3 Java program that uses the MQSeries API?
There's a known issue with Sun's JDK1.3-run Java programs, running as NT services (say with the NT res. kit "srvany.exe"): As soon as you logoff, your Java program is killed.
I found a great workaround using a tool called JavaService that somehow solves the issue... Well, almost: All the Java programs I have run just fine as services under JavaService, except those that use the MQSeries API. In that case, you just hear a beep (!) when starting the service - and that's all. The program's dead, not log, no even viewer entry, nothing.
Could you please help me solve this - while staying under JDK 1.3 (customer constraint)? |
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| educos |
| Posted: Fri May 24, 2002 8:21 am Post subject: Solved..? |
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Apprentice
Joined: 18 Jul 2001
Posts: 34
Location: Salt Lake City, UT
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Problem solved.
I found that switching from the classic JVM to the hotspot JVM does the trick. This is done by specifying "{JAVA_HOME}\jre\bin\hotspot\jvm.dll" instead of "{JAVA_HOME}\jre\bin\classic\jvm.dll" in the JavaService jvm library command line parameter.
I'm a little nervous not knowing why hotspot lets me work with the MQ API under JavaService and classic doesn't, but at least I have something that works for now... |
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