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Can't execute jar- file: "no main manifest attribute"
I have installed an application, when I try to run it (it's an executable jar) nothing happens. When I run it from the commandline with:
java -jar "app.jar"
I get the following message:
no main manifest attribute, in "app.…
Running JAR file on Windows
I have a JAR file named helloworld.jar.
In order to run it, I'm executing the following command in a command-line window:
java -jar helloworld.jar
This works fine, but how do I execute it with double-click instead?
Do I …