RE: Is there an easy way to determine which JVM and path is beingused?

If you can hold your job or it gets to a point where it's waiting on an
error message, try one of these commands.

PRTJVMJOB
DMPJVM
GENJVMDMP

You run that from a different job against the job that is held/msgw and
it will generate a spool file with lots of information, including the
classpath.




Kevin Bucknum
Senior Programmer Analyst
MEDDATA/MEDTRON
Tel: 985-893-2550

-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
Bradley Stone
Sent: Wednesday, November 11, 2015 8:33 AM
To: RPG programming on the IBM i (AS/400 and iSeries)
Subject: Re: Is there an easy way to determine which JVM and path is
beingused?

Buck,

I think what he's asking is what classpath was used at runtime... the
WRKENVVAR works, but it won't show you the proper classpath used if it's
been changed after the JVM starts.

Wouldn't the JVM have that available somewhere?

Brad
www.bvstools.com

On Wed, Nov 11, 2015 at 8:26 AM, Buck Calabro <kc2hiz@xxxxxxxxx> wrote:

On 10 November 2015 at 21:14, Darryl Freinkel
<dfreinkel@xxxxxxxxxxxxxxxxx> wrote:

I see the JVM in the job log.

The job log does not show which path is being used. Is there a
simple

way to

determine if the CLASSPATH was loaded correctly or to see what path
is

being

used?

java *version will tell you the JVM that's being used.
As for the CLASSPATH, use WRKENVVAR.

There is one thing to be very aware of: The CLASSPATH is read exactly
one time during a job, and that is when the JVM is started for the
first time. This means that interactive testing is clumsy, because if

you need to change the CLASSPATH, you need to end the job (sign off)
and start a new one (sign on). For this reason, I almost always test
these Java wrappers with a SBMJOB.

(For the archives, this probably relates to getting HSSF / POI working

in an RPG program, so the Java under discussion is not PASE or QShell,

but from an IBM i command line.)

--buck
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