Mark job failed when no live nodes and log it
Mark job failed when no live nodes and log it


Former-commit-id: 18506703f105556679f20d62414dbc02649d2368 [formerly 7071c7c78ae18f0f515a638c95c5ad32e9cd5e25]
Former-commit-id: d2a0898b8615f14d411aa24f960c3da69da90bf9
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine