IntelliJ Maven “Error: Invalid or corrupt jarfile”

问题:

I'm using IntelliJ to develop Java Desktop applications. On my project, I added framework support for Maven and added a dependency to the pom.xml file. I also added a build artifact like described here (I would also appreciate if this question gets answered). Now that my project has Maven support, the generated JAR file no longer works. When I try to launch it, it displays the error Error: Invalid or corrupt jarfile MyProject.jar. When I open the JAR file using WinRAR, there is no MANIFEST.MF file included, only folders and CLASS files. What happened to my Maven dependencies as well? Why does IntelliJ not properly build my Maven project into an executable JAR file via its artifacts?

回答1:

1. Go to Module Settings --> Artifacts
2. Create a new folder called META-INF
   

3. Add the MANIFEST file which should be located in your src folder
   

as a file

This will tell IntelliJ to copy the manifest into the jar file.

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