RE: RPG Handshake with java program and capture of "exception Java error"

Jorge,
I have found that the best way is to compile a very simple java class
that works just like a CL program you would write to trap exceptions in
an RPG app. Basically just a try block with an exception block that
traps an exception and possibly returns a message via a parameter. A
java wrapper can also avoid some of the complexities encountered when
attempting to figure how to implement a class in RPGLE, for example type
casting; a bit like the wrappers people write to hide they might
perceive as the complexities of system APIs.

All it requires is NotePad and the javac command via QShell.

Peter


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
jmoreno@xxxxxxxxxxxxxxxx
Sent: Friday, 7 August 2009 7:14 a.m.
To: RPG400-L@xxxxxxxxxxxx
Subject: RPG Handshake with java program and capture of "exception Java
error"

Hello everyone,

In our company we are using a java program that serves a external
function

A consultant put together an RPG wrapper that calls the java program
and returns the results to the RPG program ( A callable function)

The problem resides here:

When the RPG program invokes the procedure that describes the java
program, The java program returns java string and it works fine when all
conditions are fine

However, there is no provision for a Java exception error handling in
RPG other than the RPG MONITOR opcode

I have been told that in the case of an exception Java type we have to
manipulate the Java exception in a different way Is it possible to catch
that Java exception error in RPG and how would you recomend to do it?

How could you get that "Java exception error back in your RPG progarm
and manipulate that information?"

Regards

Jorge A Moreno
Military Car Sales, Inc


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