Better logging
Better logging


Former-commit-id: b5e9af372e7f36df3683d8d568fd4211f18c913b [formerly 0fede897e9ed4d9ed3d41d14f6ac57707105b719]
Former-commit-id: c3b147679c001f42ebaada7162fb28647c74d0e8
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine