touch_log_file must be done always
touch_log_file must be done always


Former-commit-id: 7144182ea70e86799f9643c33578a2ed38bd80e7 [formerly bc7085f3010ce9cdefa91e505428ba6547c4b785]
Former-commit-id: 2ef1b59cf0b3105385f1457fec161041d8622f54
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine