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I'm trying to write a python plugin to create an input file for an urban climate model out of three shape files. Unfortunatelly QGIS closes when I try to load the plugin. When I start QGIS from the Terminal (Ubuntu), I get "segmentation fault" when it happens. Thats all. Is there some way to prevent QGIS from crashing or another way to track down the error?

  • You can run it in a debugger like gdb and see where it crashes (if you have the symbols/a debug build). Also make sure your plugin has all the required basic data set. – lynxlynxlynx Sep 29 '12 at 14:29
  • have you checked with qgis-dev mailing list? The developers (while some of them are crawling the site) might be able to give you more assistance - or fix the issue if you stumbled into a bug? – nickves Sep 29 '12 at 22:31
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I wrote to the development mailing list, as suggested, and was told that it was very likely something with my signal definitions, that were located in a seperate dialogue classe. After moving them into the main classe no further crashes occured. Thanks!

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