“Could not find main method from given launch configuration” when using Java+Scala+Slick2D

Question

I\'ve got a project in which I\'m using Java+Scala+Slick2D.

The project itself runs well when launched from within eclipse. But when I try to make a jar file, it jus

Answer 1

I just encountered the same problem, and here is how I solved it:

1. Open "Run As" --> "Run Configuration" on the project you want to export

2. Click "Search" for Eclipse to refresh the list of main class

3. Then export Runnable JAR file again, and everything goes smoothly.