Maven exec:java goal on a multi-module project

Goals in a multi-module project, when run from the parent, will run against all modules. I don’t think that’s what you want. You can try:

mvn exec:java -pl module2 -Dexec.mainClass=MyMain

That might work? More info:

  • Running a specific Maven plugin goal from the command line in a sub-module of a multi-module reactor project

However, I think it’s more intuitive to change directory to the sub-module containing the executable before running it.

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