Check the log file at '/usr/local/flamenco/instances/ChEFS_-_19-09-06/log.txt' for more details. Here are the last few lines:
.. Ready (5.64 seconds after launch) . Ready (5.62 seconds after launch) ... Ready (5.20 seconds after launch) . Ready (4.82 seconds after launch) . Ready (5.04 seconds after launch) describe facet_USES_BIOL ---- query: describe facet_USES_BIOL rows: 12, time: 0.23 sec select id, name from facet_USES_BIOL Shutting down because appserverpid.txt is empty. ThreadedAppServer: Shutting Down Stopping AutoReload Monitor Shutting down because appserverpid.txt is empty. ThreadedAppServer: Shutting Down Stopping AutoReload Monitor