AppScale Monitor keeps exiting

[Navraj Chohan]

Syslog shows this repeatedly:
Apr 8 02:38:39 lucid collectd[5533]: tail plugin: tail_match_read[3] failed.
Apr 8 02:38:39 lucid collectd[5533]: utils_tail: stat (/var/log/nginx/therepo.access.log) failed: No such file or directory
Apr 8 02:38:39 lucid collectd[5533]: utils_tail: cu_tail_read: cu_tail_readline failed.
Apr 8 02:38:39 lucid collectd[5533]: tail_match: cu_tail_read failed.
Apr 8 02:38:39 lucid collectd[5533]: tail plugin: tail_match_read[5] failed.
Apr 8 01:24:27 lucid god[2483]: appscale-monitr-8003 start command exited with
non-zero code = 1

Requires investigation.