[palladio-dev] [I43-doktoranden] PCM Model generation fails when run as an eclipse-plug-in

Seifermann, Stephan (IPD) stephan.seifermann at kit.edu
Wed Mar 20 19:35:51 CET 2019

Dear Marcel,


unfortunately, the issue is not clear to me yet. When you are talking about the “model generation” you are talking about custom code you wrote in order to create PCM instances using the EMF factories, right? The same holds true for many things you mention (like AssignmentDummy or clean up).


The issue, that you are experiencing, seems to originate from your code. More specifically, it seems to be an issue with fundamental model handling. We are not aware of an issue of PCM about running multiple simulations with different or same models in sequence. Therefore, it is hard to tell the cause of the issue without knowing the code.


Best regards



From: I43-doktoranden <i43-doktoranden-bounces at ira.uni-karlsruhe.de> On Behalf Of Sütterlin, Marcel
Sent: Wednesday, 20 March 2019 14:16
To: palladio-dev at ira.uni-karlsruhe.de
Subject: [I43-doktoranden] [palladio-dev] PCM Model generation fails when run as an eclipse-plug-in


Hi everyone,

I´m currently having an issue with the PCM Model generation. In a project, I integrated the PCM Model generation and simulation into an eclipse plug-in to evaluate the performance of written code within the IDE. While the first run terminates without any issues, the second execution of the plug-in fails during the PCM generation. There, the AssignmentDummy is saved as a resource, but every other usage model is not saved (and thus, not retrieved) from the repositoryFactory. The factory is created using the following code: 

this.repositoryFactory = RepositoryFactory.eINSTANCE;

this.repository = repositoryFactory.createRepository();



Somewhere in this process, there must be an issue with cleaning up the repository for the next run. This could be due to the fact that the Java environment, in which the PCM generation is executed, is not exited after the run, since it uses the eclipse java environment. 

When the eclipse IDE is restarted, the plug-in runs fine again on the first run, but not on other runs. This issue also persists when the AST files, which are used to generate the PCM models, are different in the second run from the first run. 


There is no error message or exception thrown at any time, until the simulator fails due to the lack of usage models in the folder. 


Does anyone have an idea what could be the issue here?


Thank you very much for your help!


Best regards,


Marcel Sütterlin


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