Diagnostic messages, and minor fixes to help troubleshoot P2 issues. 
Diagnostic messages, and minor fixes to help troubleshoot P2 issues. 


Former-commit-id: cbf74f4f729b5d402d5ecb39aae546be54fbd110
bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs,bfg-repo-cleaner-demos/eclipselink.runtime-bfg-strip-big-blobs