Re: Sudden Refusal of Swarm to run Compiled Obj-C Programs

[Konrad Richter]

Hi,

I have found the cause (though not the explanation) for the error. In my case it occured, when I inserted the folllowing lines into the "GraphIPD" program from Benedicts tutorial at UCLA:

into observerSwarm.h:

id <EZBin> numEZ;

in observerSwarm.m:

numEZ=[EZBin createBegin: self];
[numEZ setTitle: "Number of Agents"];
[numEZ setCollection: agentList]"
numEZ=[numEZ createEnd];

Note that that the collection agentList didn´t exist when I compiled the program. (I only wanted to see what error message the compiler would print). However, when I compiled the program there was no errror message. But when I tried to run the program the error message from above occured. Moreover, all other objective-C programs that I had written before ceased to work. It seems like that the lines above have changed something in the Swarm program itself. My only solution to this problem was deinstalling and reinstalling Swarm.

Greetings, Konrad
 

>Hi,

>i'm trying to install Swarm-2.0.1 on my linux box (Slackware 7.0) and i
>have the same problem
>when i try the /swarmapps-2.0.1/tutorial/simpleCBug. Compilation is ok,
>but execution give the
>following :

>~/swarmapps-2.0.1/tutorial/simpleCBug > ./bug
>*** event raised for error: OffsetOutOfRange
>*** function: indexAtOffset(), file: Collection.m, line: 110
>*** execution terminating due to error
>Symbol.m:173 -[Error(c) _raiseEvent:]
>Aborted
 

>But, when I execute this programme under 'root', all is ok. Strange.

>I'm new to swarm and perhaps i forget a step.
>any ideas ?

>thank you
>Mestivier Denis
 
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