Maven compiler plugin always detecting a set of sources as “stale”

Question

FIXED: this is a known bug in maven-compiler-plugin 3.1

I am converting an ant-based build of a 1000+ java-sources project to maven. So far so good, but every time l

Answer 1

If you're sure there's been no change, you can pass in -Dmaven.main.skip. I have a project where I do this after running Proguard, since it's the only way to reuse the Proguarded jar for tests. (NB: I run the same unit tests before Proguard as after, to make sure Proguard hasn't broken anything. To bring this as close to the standard Maven workflow as possible, I do the pre-Proguard run in Surefire and the post-Proguard run in Failsafe.)