Fails to build rosjava using Gradle

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I have tried everything to get the package to compile using Gradle. I followed everything on the tutorials and installation. The only issue I have is when I try to compile it gives me this error

FAILURE: Build failed with an exception.

• What went wrong: Could not resolve all dependencies for configuration ':compile'. > Could not find group:ros.rosjava_core, module:rosjava, version:0.0.0-SNAPSHOT. Required by: GpsMap:GpsMap:0.0.0-SNAPSHOT

It seems to not find the jar files created by the build of rosjava_core and rosjava.

Any help would be appreciated.

Thanks Ralph