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  1.  Home
  2. JAVA400-L
  3. September 2003

Re: One JVM for batch job

Joe Pluta wrote:
> ...
> Another way is to use RPG to directly call the Java class.  If the RPG
> program doesn't end, I believe it will use the same JVM over and over,
> but I haven't played with that architecture much.
> 

The lifetime of the JVM doesn't have anything to do with RPG.  RPG will
start a JVM, but it will never end it.  In V5R2, the JVM should ideally
only end when the job ends.  In V5R1, the JVM gets ended if any
activation group is ended, and it can also be explicitly ended.  The
activation group thing doesn't happen in V5R2, and also in V5R2 you
can't explicitly end the JVM.

Once the JVM is started in a job, any RPG program will use that JVM.

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