Description of problem: An NPE is thrown on negative flow of create cinder snapshot (CreateCinderSnapshotCommandCallback -> onFailed). How reproducible: 100% Steps to Reproduce: 1. Create a snapshot. 2. Cause a failure. 3. Actual results: NPE is thrown and the snapshot stays locked. Expected results: Proper rollback and cleanup. Additional info:
*** This bug has been marked as a duplicate of bug 1273572 ***