In my postgresql log, I see following error (keeps on beeing logged over and over):
2015-01-28 17:40:26 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 17:40:26 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=2
FOR UPDATE NOWAIT
2015-01-28 17:41:32 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 17:41:32 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=7
FOR UPDATE NOWAIT
2015-01-28 18:36:39 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 18:36:39 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=1
FOR UPDATE NOWAIT
2015-01-28 19:30:44 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 19:30:44 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=9
FOR UPDATE NOWAIT
2015-01-28 19:36:57 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 19:36:57 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=1
FOR UPDATE NOWAIT
2015-01-28 19:41:07 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 19:41:07 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=2
FOR UPDATE NOWAIT
2015-01-28 19:41:16 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 19:41:16 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=7
FOR UPDATE NOWAIT
2015-01-28 21:11:30 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 21:11:30 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=7
FOR UPDATE NOWAIT
2015-01-28 23:30:43 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 23:30:43 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=9
FOR UPDATE NOWAIT
2015-01-28 23:36:55 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 23:36:55 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=1
FOR UPDATE NOWAIT
2015-01-28 23:41:03 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 23:41:03 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=2
FOR UPDATE NOWAIT
2015-01-28 23:41:14 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-28 23:41:14 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=7
FOR UPDATE NOWAIT
2015-01-29 03:07:02 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-29 03:07:02 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=1
FOR UPDATE NOWAIT
2015-01-29 04:07:25 UTC ERROR: could not obtain lock on row in relation "ir_cron"
2015-01-29 04:07:25 UTC STATEMENT: SELECT *
FROM ir_cron
WHERE numbercall != 0
AND active
AND nextcall <= (now() at time zone 'UTC')
AND id=1
FOR UPDATE NOWAIT
What is causing this error?
I have following configuration:
- Odoo v8.0
- Ubuntu 14.04 LTS on vps
- No outgoing mailserver configured
