After setting explicitly the Maven version to 3.1.1 both builds (Windows & Unix) are back to normal.
I have written two infrastructure issues: For Windows: https://issues.apache.org/jira/browse/INFRA-10648 ERROR: java.io.IOException: Remote call on channel failed / Caused by: java.lang.IllegalAccessError: class com.google.common.collect.AbstractMapBasedMultimap cannot access its superclass com.google.common.collect.AbstractMultimap) For Unix: https://issues.apache.org/jira/browse/INFRA-10649 ERROR: Could not find local repository for 2.2.1) Regards, Svante
