RE: RPG Web Service Program

I thought about that, Jon, but here's what I've got:

Working Web Service:
Dcl-Pr AAAA ExtPgm('AAAA');
*n Char(18) Const;
*n Char(2) Const;
*n Char(10) Const;
*n Char(29);
*n Char(21);
End-Pr;
*
Dcl-Pi AAAA;
InCity Char(18) Const;
InState Char(2) Const;
InZip Char(10) Const;
OutCity Char(29);
OutCounty Char(21);
End-Pi;

Failing to compile Web Service:
Dcl-Pr BBBB ExtPgm('BBBB');
*n Char(8) Const;
*n Char(8) Const;
*n Char(1) Const;
*n Char(1000);
End-Pr;
*
Dcl-Pi BBBB;
InSundayDate Char(8) Const;
InSaturdayDate Char(8) Const;
InFinalFlag Char(1) Const;
OutResults Char(1000);
End-Pi;

I tried it with a smaller OutResults (only char(500)) with the same RNF
error result.

Steve

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jon Paris
Sent: Wednesday, April 15, 2020 15:28
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: RPG Web Service Program

Steve - are you sure this program is not using any parameter types that are
not supported by PCML?

I can't see how the JNI stuff could have any impact as the PCML is only
generated for the program's call interface.

On Apr 15, 2020, at 4:21 PM, Steve M via RPG400-L

<rpg400-l@xxxxxxxxxxxxxxxxxx> wrote:

All,

I write RPG (and SQLRPGLE) programs all of the time that I then attach to

be used as Web Services. No issues there.

However, I now have a need for the web service program to call a Java

process. When I compile the program as a "regular" program I receive no
errors. However, when I change the Ctl-Opt to read PgmInfo(*PCML:*Module),
as I do for all of my other web service's programs, I receive a RNF0302,
Errors were found while generating the program information to be placed in
the module.

That's the entire extent of the information. No more. Unlike my previous

RPG service programs that were "pure RPG", this does have prototypes for the
Java, Java class declarations, creation of Java objects, and such, but that
is all needed for RPG to make the call to the Java class.

Has anyone successfully created an RPG program, as a web service, where

that web service then directly calls a Java class in the IFS? This must be
possible, right? I feel like I am missing something very obvious inside of
my RPG program but can't figure out what.

Any and all thoughts and ideas, as always, are very welcomed. I really

don't want to have to add another layer: an RPG program as a web service,
calling another RPG program that call the Java process - that seems really
silly, but at this point it also seems like the only possible way to succeed
in this process.

Hope that everyone is staying safe and healthy.

Thanks,

Steve Meisinger


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