I had an ugly/complicated maven command which launched my project. And On Windows, I wanted to launch it in eclipse - to see the console, and not under a command prompt - where you can't see the console clear. The Maven command was something like:
mvn -am -pl web package -DskipTests -P link-repo,tomcat-run,local-jive -Dfile.encoding=UTF8
So blackbuild answer:
"You could also copy the full line (without leading "mvn") into the Goals field"
saved my life!
I just copied the maven command in Goals field and it worked!