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["Amit Parik \(OpenERP\)" <amp@xxxxxxxxxxx>]

Hello,

Please ignore the vishal's comment#4. lp:937637 and this bug both are
doesn't related as well as this problem is also faced on trunk.

Thanks!

** Changed in: openobject-server
     Assignee: OpenERP R&D Web Team (openerp-dev-web) => OpenERP's Framework R&D (openerp-dev-framework)

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https://bugs.launchpad.net/bugs/985787

Title:
  [Trunk/6.1]Kanban view: "could not serialize access due to concurrent
  update"

Status in OpenERP Server:
  Confirmed

Bug description:
  With the Project App installed, in the Kanban view of Task, when
  moving task between Stages sometimes I get the following error

  Client Traceback (most recent call last):
    File "/home/openerp-damian/.addons/web/common/http.py", line 180, in dispatch
      response["result"] = method(controller, self, **self.params)
    File "/home/openerp-damian/.addons/web/controllers/main.py", line 971, in save
      r = m.write([id], data, req.session.eval_context(req.context))
    File "/home/openerp-damian/.addons/web/common/openerplib/main.py", line 250, in proxy
      args, kw)
    File "/home/openerp-damian/.addons/web/common/openerplib/main.py", line 117, in proxy
      result = self.connector.send(self.service_name, method, *args)
    File "/home/openerp-damian/.addons/web/common/http.py", line 611, in send
      raise fault

  
  Server Traceback (most recent call last):
    File "/home/openerp-damian/.addons/web/common/http.py", line 592, in send
      result = openerp.netsvc.dispatch_rpc(service_name, method, args)
    File "/usr/lib/pymodules/python2.7/openerp/netsvc.py", line 360, in dispatch_rpc
      result = ExportService.getService(service_name).dispatch(method, params)
    File "/usr/lib/pymodules/python2.7/openerp/service/web_services.py", line 586, in dispatch
      res = fn(db, uid, *params)
    File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 167, in execute_kw
      return self.execute(db, uid, obj, method, *args, **kw or {})
    File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 121, in wrapper
      return f(self, dbname, *args, **kwargs)
    File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 176, in execute
      res = self.execute_cr(cr, uid, obj, method, *args, **kw)
    File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 164, in execute_cr
      return getattr(object, method)(cr, uid, *args, **kw)
    File "/home/openerp-damian/.addons/project/project.py", line 1050, in write
      result = super(task,self).write(cr, uid, ids, vals, context=context)
    File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 3917, in write
      'where id IN %s', upd1 + [sub_ids])
    File "/usr/lib/pymodules/python2.7/openerp/sql_db.py", line 152, in wrapper
      return f(self, *args, **kwargs)
    File "/usr/lib/pymodules/python2.7/openerp/sql_db.py", line 212, in execute
      res = self._obj.execute(query, params)
  TransactionRollbackError: could not serialize access due to concurrent update

  Maybe is because moving the task between stages faster than the update
  is performed in the server.

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