[kepler-dev] stack overflow problem in some kepler workflows

Efrat Frank efrat at sdsc.edu
Fri Jul 22 16:51:21 PDT 2005


Hi Edward,

I created a very simple example that uses a jpeg as a customized icon 
that causes a stackOverflow. Attached are the workflow and the image file.

Thanks a lot,
Efrat

Edward A. Lee wrote:

>
> If you send me the MoML file with the customized icons and the jpegs
> for the icons, I can try to verify whether it is a Ptolemy II problem ...
>
> Edward
>
> At 02:47 PM 7/21/2005 -0700, Efrat Frank wrote:
>
>> Hi Dan,
>>
>> Thanks a lot for looking into this and detecting the problem! It does
>> work fine without the customized icons.
>>
>> - Efrat
>>
>> Dan Higgins wrote:
>>
>> > Hi Efrat,
>> >
>> >    The stack overflow error that we get with the current head of CVS
>> > on your gravityToShp workflow has been obsessing me the last few days
>> > - why does it work with your saved version of Kepler and not with the
>> > head of CVS?
>> >
>> >    It turns out that the problem occurs when you try to open the
>> > workflow - i.e. when the workflow moml is being read. I finally traced
>> > the problem not to any actor code but to the nice icons you added for
>> > the XSLT actor and the Browser Display actor! (Those icons do not
>> > appear if those actors are simply dragged to the screen, so I assume
>> > you used the 'Edit Custom Icon' command.) If you go into the moml and
>> > remove the properties that attach the custom icons, then the workflow
>> > will open with the newest CVS version of Kepler!!!  [The
>> > registrationModel workflow had a similar problem that is fixed by
>> > removing the custom icons.]
>> >
>> >    Now, I don't know why the custom icons cause this problem (perhaps
>> > some changes in the moml parsing?), but at least we know better where
>> > to look!
>> >
>> > Dan
>> >
>> _______________________________________________
>> Kepler-dev mailing list
>> Kepler-dev at ecoinformatics.org
>> http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-dev
>
>
> ------------
> Edward A. Lee
> Professor, Chair of the EE Division, Associate Chair of EECS
> 231 Cory Hall, UC Berkeley, Berkeley, CA 94720
> phone: 510-642-0253 or 510-642-0455, fax: 510-642-2845
> eal at eecs.Berkeley.EDU, http://ptolemy.eecs.berkeley.edu/~eal  

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