ERROR: Pidfile (celerybeat.pid) already exists

ERPNext
#1

11:32:34 system | worker.1 started (pid=10640)
11:32:34 system | workerbeat.1 started (pid=10641)
11:32:34 system | web.1 started (pid=10642)
11:32:34 workerbeat.1 | celery beat v3.1.18 (Cipater) is starting.
11:32:34 workerbeat.1 | ERROR: Pidfile (celerybeat.pid) already exists.
11:32:34 workerbeat.1 | Seems we’re already running? (pid: 10158)
11:32:34 system | workerbeat.1 stopped (rc=73)
11:32:34 system | sending SIGTERM to worker.1 (pid 10640)
11:32:34 system | sending SIGTERM to web.1 (pid 10642)
11:32:34 system | worker.1 stopped (rc=-15)
11:32:34 system | web.1 stopped (rc=-15)
rashmi@rashmi-CorporateTeam:~/frappe-bench$ 150508 11:36:58 [Warning] Access denied for user ‘0cee28c4c0’@‘localhost’ (using password: YES)
^C

#2

Maybe you have another bench that did not close cleanly. Find out using

ps -aux | grep celery

#3

if that doesn’t help, run

rm sites/celerybeat.pid from the frappe-bench dir