Error importing project with Eclipse: JavaCC

eclipse, java, m2eclipse

Solution

You can try installing the m2e javacc connector from https://github.com/objectledge/maven-extensions.

The connector is described at http://objectledge.org/confluence/display/TOOLS/javacc-maven-plugin+connector

The stable p2 update site is at : http://objectledge.github.com/maven-extensions/connectors/updates/milestones

Problem

I am getting this error everytime I want to import some maven projects in Eclipse: I already installed JavaCC plugin and CheckStyle for Eclipse, yet I can't pass this because if I finish by resolving later, many projects won't show or do not detect source folders. Any Ideas?

Original source