Re: [Gems-users] [Fwd: [GEMS] linux/gtk vs. macosx]

[Nicolas R. <nic...@jp...>]

FYI:

I ventured to make a workaround that avoids crashing Eclipse on linux.
See attached patch.

-- Nicolas.

Nicolas Rouquette wrote:
> Hi Jules,
>
> I am running with Eclipse 3.2.1
>
> The version of draw2d for 3.2.1.v20060921
> The version of the swt.gtk.linux.x86 is: 3.2.1.v32235
>
> To reproduce this error, I have all of the gems* projects in my
> development sandbox and create an Eclipse launcher
> to run a "GEMS" Eclipse environment with the gems* plugins
>
> In the dev. sandbox, before launching the GEMS config,
> I setup a breakpoint in
> org.gems.designer.figures.ModelFeedbackBorder.drawConnectors (line 29)
>
> Then, launch the GEMS config in debug mode:
>
> 1) New Plug-In Project (called: bug)
> 2) select 'bug' => new folder: 'resources'
> 3) bug/resources => New GEMS>GemsMetamodel Model (GemsMetamodel1.gemsmeta)
> 4) Create an "Entity" from the palette
> 5) The new entity is selected, with the mouse, I click on it to move it
>
> => You hit the breakpoint...
>
> connector.translate(x1, y1);
> g.drawPolygon(connector);  // line 29
> ...
>
> At that breakpoint, inspect 'this.connector'.
> It has:
>
> bounds = null
> points  = int[0]
> size = 0
>
> If I remove the prolog module, then I loose one of the coolest features
> of GEMS...
>
> -- Nicolas.
>
> Jules White wrote:
>   
>> Hi Nicolas,
>>
>> I have seen this error once before from GEMS on Linux. It is really
>> hard to tell what is causing it since it comes from deep within the
>> Eclipse internals (on the native and not Java side). I do GEMS Linux
>> testing with Eclipse 3.2 on Fedora Core 3. What version of Draw2d/GEf
>> are you using? What version of Eclipse do you have? I would try
>> getting the latest versions of those and see if that fixes the
>> problem.
>>
>> Another way to fix this problem is to remove the Prolog plugin from
>> GEMS. The Prolog module creates the borders that leads to this error.
>> To disable the prolog module, delete the folder:
>>
>> org.gems.designer.dsml.kb
>>
>> from you Eclipse plugins directory.
>>
>> Thanks,
>>
>> Jules
>>     
>
>
>