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I have a modular java application that I'm trying to launch via a desktop file in ~/.local/share/applications:

[Desktop Entry]
Type=Application
Name=Converter
Path=/home/craig/ca.footeware.converter
Exec=sh -c "/usr/bin/java -p swt.jar:ca.footeware.converter.jar:ca.footeware.converter.temperature.jar:ca.footeware.converter.length.jar -m ca.footeware.converter/ca.footeware.converter.Converter"
Icon=/home/craig/ca.footeware.converter/converter.svg
Terminal=false
Categories=Utility;
StartupWMClass=SWT

I can run gtk-launch ca.footeware.converter.desktop and it works.

I can run the exec statement at cli (in the ~/ca.footeware.converter folder) and it works.

But when I click the Converter shortcut in overview the application does not open. How do I troubleshoot this?

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6
  • You could try changing the Terminal=false to Terminal=true and check for a terminal popping up. Alternatively, you could try tedirecting stdout and stderr to a file and investigating that. Commented Nov 20, 2024 at 1:20
  • With both Terminal=true and Terminal=false there is a brief flash of a terminal but the output, if any, isn't visible. I tried outputting to a logfile but one wasn't created. Commented Nov 20, 2024 at 1:52
  • I finally got a logfile but it's empty :( Commented Nov 20, 2024 at 2:48
  • How did you get the logfile? Did you redirect both stdout and stderr? Commented Nov 20, 2024 at 12:42
  • I tried both Exec=sh -v -c "/usr/bin/java -p swt.jar:ca.footeware.converter.jar:ca.footeware.converter.temperature.jar:ca.footeware.converter.length.jar -m ca.footeware.converter/ca.footeware.converter.Converter" &> logfile and Exec=sh -v -c "/usr/bin/java -p swt.jar:ca.footeware.converter.jar:ca.footeware.converter.temperature.jar:ca.footeware.converter.length.jar -m ca.footeware.converter/ca.footeware.converter.Converter &> logfile" but got empty logfiles in both cases. Commented Nov 20, 2024 at 13:06
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