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  1.  Home
  2. JAVA400-L
  3. November 2008

Re: Using a single JVM

Karissa Skroch wrote:
After much research, I haven't been able to come up with any clear answers.
I have an RPG program that calls a Java method. This program is used by
many users. Is there a way for just one JVM to be started and all users to
just attach to it, or is it mandatory that a new JVM be started for each
user's job? Is there a way to see how many JVMs are running on the iSeries?
I've found an article that tells me it's possible using the JNI function,
but I can't figure out how. Any help would be much appreciated!

There's no way for all users to attach to a single JVM for interactive use ... but it's not hard to create a java server application that listens on a data queue ... each users application would send requests via the data queue and the single java app would act and send responses by another data queue.

You could use a data queue keyed on the jobname or something similar.

david



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