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[Bug 1146183] Re: UTC ERROR: could not obtain lock on row in relation "ir_cron"

 

*** This bug is a duplicate of bug 949907 ***
    https://bugs.launchpad.net/bugs/949907

** This bug has been marked a duplicate of bug 949907
   could not obtain lock on row in relation "res_users"

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https://bugs.launchpad.net/bugs/1146183

Title:
  UTC ERROR:  could not obtain lock on row in relation "ir_cron"

Status in OpenERP Server:
  New

Bug description:
  when launching openerp7 (up until latest nightly) i get a multi-
  trheaded cron issue:

  2013-03-05 06:37:31 UTC STATEMENT:  SELECT *
  	                                   FROM ir_cron
  	                                   WHERE id=2
  	                                   FOR UPDATE NOWAIT
  2013-03-05 06:37:31 UTC ERROR:  could not obtain lock on row in relation "ir_cron"

  this appears to be because cron: and cron:0 try to run the same command?
  solved by tuning down config :

  max_cron_threads = 1

  seems to work fine, for now

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References