RE: RPG/Java memory leaks? Possible? -- RPG400-L

rpg400-l-request@xxxxxxxxxxxx wrote:

>   4. Re: RPG/Java memory leaks? Possible? (Brad Stone)
>
>While the issue isn't with my application (sockets work
>just fine) I am willing to try anything so that the other
>ISV will quit stalling and debug their application.  

Brad...

There must be _some_ kind of issue with your app because you originally wrote:

|>When they call the encryption app alone, it works fine.
|>
|>When they call GETURI, then call they encryption app it
|>works fine the first time.  Any subsequent calls to the
|>encryption app returns bogus data only if they follow a
|>call to GETURI.  But GETURI still funtions fine.  This is
|>only if done in the same job.  

That is, after your app runs the second time, the other app has trouble and the 
other app has trouble only after your app runs. (Hmmm... and only after the 
second time?)

Now, that in no way means your code is definitely incorrect. It could be a PTF 
issue; it could be a compiler options issue; it could be all the things we've 
all seen that happen outside of the coding realm. But in some way, the other 
app can tell that your app ran first.

_Something_ is being affected and left behind _because_ your app has been run; 
your app is somehow touching something the other app relies on.

Perhaps you're calling the regular expression functions and somehow hitting a 
bug in the way those things create their references. (Not your fault, but... 
maybe they're also calling them?)

Perhaps you're calling iconv APIs and somehow triggering a previously 
undiscovered bug from those.

Perhaps a whole bunch of possibilities.

But your app is leaving a... ummm... "warp signature"... that's disturbing the 
hyperspace that certain later instructions execute within. I'd start looking 
closely at any less common APIs that I might be using and see if the other ISV 
has any ideas about them.

>This is pretty much the last thing they've thrown at us
>along with a PTF that looked like it was for /free RPG
>programs and chaining to files with 2 or more keys.  (????)
> I may have looked at the wrong PTF.. but that's what it
>looked like.  :)

Unfortunately, unless every superceded PTF is reviewed in such a way as to 
determine which compiler modules were affected, etc., it probably doesn't 
matter what a given PTF claims to fix. I've sure seen enough that _apparently_ 
had nothing to do with my problem but fixed it anyway.

>Support these days... well, it just isn't what it used to
>be.  

Sigh, ain't that the truth. Support especially for ISVs ought to be much 
better. In this case, I'd love to see IBM just take ownership of the problem 
and do all necessary mediation. I'm usually well satisfied with what I get, but 
it often isn't much. OTOH, I like the support _from_ an ISV such as you try to 
give. I've always tried to give free bug support for anything I've supplied. 
Enhancements may be costly, but bugs simply need to be eliminated.

Tom Liotta

-- 
Tom Liotta
The PowerTech Group, Inc.
19426 68th Avenue South
Kent, WA 98032
Phone  253-872-7788 x313
Fax    253-872-7904
http://www.powertech.com


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