Handle also exceptions with messages containing utf8 encoded strings
Handle also exceptions with messages containing utf8 encoded strings


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Former-commit-id: 891fde22f87c5f57445fcac2462e2b274a4f602a
Former-commit-id: 8a2ee3dd1bbf49b8640f6972c61bfcab8fdbba8d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine