Hey Zuyu I believe this <https://github.com/apache/incubator-quickstep/commit/f673f94561e104c62d0441f1ded04737e23b0ba0#diff-df49ec9fddd165bdb660db91d5aa3cdcR57> line introduced a bug. The system command is expected to return 0 on success, and so the CHECK fails erroneously. Do you want me to submit a patch?
Cheers, Nav
