RE: rpg java call - debugging rpg and java

[Igor.Beslic@xxxxxxxxxxxx]

This is link to Barbaras example how to debugg rpg and java together that 
helped me a lot:

http://groups.google.ca/groups?selm=3D496F97.2848F26E%40ca.ibm.com&output=gplain

With regards,
Igor Bešlić, dipl. ing. rač. 



<SRamanujan@xxxxxxxxxxxxxxxxxx> 
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
29.01.2005 16:06
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RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>


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RE: rpg java call






Thanks Barbara.

0091.00 c             IF        curl <> ' ' 
0092.00 c             Eval      iurl      = newString(%trim(curl)) 
0094.00 c             ENDIF 
0094.02

0094.03 c             IF        filename <> ' ' 
0094.04 c             Eval      ifile     = newString(%trim(filename))
0094.08 c             ENDIF 

We seem to have a strange problem after some aldon upgrade on the system
I guess or it was earlier, and we didn't recognize.  We are on v5r3 and
our java methods can only have 2 parameters if we call from command
line.  In my below example, I have 3 since 1st is the class itself and
it seems to be blowing up. I changed the same program and added a main
and called it from cl and it works. I am not sure if anyone else has
encountered such problems and we are now on to IBM for help.

On the debugging java, could you please let me know how, I have never
done that.  I was running from emulator. From rpgle, how can I debug
java? Is this done from WSDC instead? When I go to a debug or Run from
menu bar, I see iSeries modules.  Is this what I go to?

Thanks for your help,
Sudha

Sudha Ramanujan
SunGard Futures Systems
sramanujan@xxxxxxxxxxxxxxxxxx
(312) 577 6179
(312) 577 6101 - Fax
 
 
-----Original Message-----
From: Barbara Morris [mailto:bmorris@xxxxxxxxxx] 
Sent: Friday, January 28, 2005 8:09 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: Re: rpg java call

SRamanujan@xxxxxxxxxxxxxxxxxx wrote:
> 
> Hi all,
> 
> I have a Null pointer exception while calling the method but my
> constructor works fine. I am not able to find out what is wrong.  I
> paste my code below:
> 
> 
> c                   Eval      testURL  = newURL()
> c                   callp uopenConn(testURL:iurlString:ifileString)
> 
> received Java exception "java.lang.NullPointerException:" when calling
> method "urlOpenConnection" with signature
>  "(Ljava.lang.String;Ljava.lang.String;)V" in class
> "com.sud.test.TestURL".

Sudha, you didn't show the code where you setup iurlString and
ifileString.  Do they have non-null values?  If so, try debugging the
Java method itself to see what is going wrong.

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