Maven Error: (repeated) java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty

Question

Have to ask again. Someone thought it was a duplicate question and already answered and removed it from the list.

I\'m using maven (mvn) batch command with windows (not

Answer 1

Today I found the reason:

Way back in history I once had set the WINDOWS environment variable MAVEN_OPTS by "setx MAVEN_OPTS "-Djavax.net.ssl.trustStore....".

The path specified here does no longer exist.

It seems this setting supersedes even the request showed in my question. I consider this behaviour to be at least unexpected but anyway. When I fixed the environment variable (pointing to the new path; but I'm going to delete it anyway) the mvn-requests worked fine.