Thank you very much! Yes, with Java version 8 it's working!

Hey Puybaret, thank you for your answer. In the tutorial it was written that I am supposed to execute the Sweet Home jar file and not the plugin jar file. So I guess it also makes sense that it didn't work out. Now when I execute the Sweet Home jar file as intended it actually works

<r>Hello guys, I just recently discovered Sweet Home 3D. The program seems to be working fine when I execute the file SweetHome3D (Linux) but when I execute the JAR file then the home 3D view (the down right screen) is not working. Since I want to create plugins I am interested in being able to have ...

<t>Hello, I just recently discovered Sweet Home 3D and right now I am trying to follow through the Plug-in developer's guide. <br/>
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I am able to follow all steps but whenever I try to execute the JAR file I get the error message "no main manifest attribute, in VolumePlugin.jar". <br/>
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I ...