Maven错误：无法找到或加载主类org.codehaus.plexus.classworlds.launcher.Launcher

I'd been stuck with this simple issue for an hour now. Maven was working fine last week, I don't know what went wrong it gives me this error. I tried all the ways to debug and all the solutions found in StackOverflow and many other places. I even tried replacing M2_HOME path with M3_HOME and MAVEN_HOME. Nothing worked. I'm on OS X. Below is the output of few maven commands. I'll be happy to provide more informationI'd been stuck with this simple issue for an ho