Re: Calling Java from RPG

[Vanja Jovic <vanjajovic@xxxxxxxxxxxx>]

David,

this might be a long shoot, but:
what is the parameter type in Java method setString1? Is it String or
char[]? If it is a String, then you have to construct a String object
before calling setString1.

Vanja Jovic,

Canada

dgibbs@mks.com wrote:

> Folks:
>
> Anyone done extensive work with calling Java code from a RPG program (in
> V5R1)?
>
> I'm trying to call a simple java method from RPG, but keep getting
> exceptions.
>
> My java method is defined as such ...
>
> D data            s               O   class(*java:'Storage')
> D manipulator     S               O   class(*java:'Manipulator')
> D setString1      pr                  extproc(*java:'Manipulator':
> D                                             'setString1')
> D  string1                     128A   const varying
>
> ... and it's called like this ...
>
> C                   eval      manipulator = newManipulator
> C                   eval      data = newStorage(manipulator)
> C                   eval      str1 = '12345'
> C                   callp     setString1(manipulator:str1)
>
> The call to newManipulator and newStorage work fine, but when I call
> setString1, I get a null pointer exception.
>
> On a similar note, anyone know how to debug a java method that is called
> from RPG?  I tried to compile the java with a -g switch, and use F22 to step
> into the method, but it didn't work.
>
> Thanks!
>
> david
>
> --
> David Gibbs
> Sr. Software Engineer / R&D / MKS Inc., www.mks.com
> Lombard, IL, USA; tel: 630-495-2108; fax: 630-495-3591
> Build Better Software
>
>
>
>
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