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工作流报错
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按照“30分钟开发OpenERP 功能模块”练习，完成工作流建模。新建课程审核报错如下：
OpenERP close
Your version of OpenERP is unsupported. Support & maintenance services are available here: OpenERP Entreprise.
OpenERP Server Error
Client Traceback (most recent call last):
File "/usr/lib/pymodules/python2.7/openerp/addons/web/common/http.py", line 180, in dispatch
response["result"] = method(controller, self, **self.params)
File "/usr/lib/pymodules/python2.7/openerp/addons/web/controllers/main.py", line 1059, in exec_workflow
r = req.session.exec_workflow(model, id, signal)
File "/usr/lib/pymodules/python2.7/openerp/addons/web/common/session.py", line 100, in exec_workflow
r = self.proxy('object').exec_workflow(self._db, self._uid, self._password, model, signal, id)
File "/usr/lib/pymodules/python2.7/openerp/addons/web/common/openerplib/main.py", line 117, in proxy
result = self.connector.send(self.service_name, method, *args)
File "/usr/lib/pymodules/python2.7/openerp/addons/web/common/http.py", line 608, in send
raise xmlrpclib.Fault(openerp.tools.exception_to_unicode(e), formatted_info)
Server Traceback (most recent call last):
File "/usr/lib/pymodules/python2.7/openerp/addons/web/common/http.py", line 593, in send
return 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 121, in wrapper
return f(self, dbname, *args, **kwargs)
File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 196, in exec_workflow
res = self.exec_workflow_cr(cr, uid, obj, method, *args)
File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 189, in exec_workflow_cr
return wf_service.trg_validate(uid, obj, args[0], method, cr)
File "/usr/lib/pymodules/python2.7/openerp/workflow/wkf_service.py", line 124, in trg_validate
res2 = instance.validate(cr, id, ident, signal)
File "/usr/lib/pymodules/python2.7/openerp/workflow/instance.py", line 48, in validate
workitem.process(cr, witem, ident, signal, force_running, stack=stack)
File "/usr/lib/pymodules/python2.7/openerp/workflow/workitem.py", line 61, in process
ok = _split_test(cr, workitem, activity['split_mode'], ident, signal, stack)
File "/usr/lib/pymodules/python2.7/openerp/workflow/workitem.py", line 176, in _split_test
_join_test(cr, t[0], t[1], ident, stack)
File "/usr/lib/pymodules/python2.7/openerp/workflow/workitem.py", line 184, in _join_test
create(cr,[activity], inst_id, ident, stack)
File "/usr/lib/pymodules/python2.7/openerp/workflow/workitem.py", line 41, in create
process(cr, res, ident, stack=stack)
File "/usr/lib/pymodules/python2.7/openerp/workflow/workitem.py", line 53, in process
result = _execute(cr, workitem, activity, ident, stack)
File "/usr/lib/pymodules/python2.7/openerp/workflow/workitem.py", line 111, in _execute
res2 = wkf_expr.execute_action(cr, ident, workitem, activity)
File "/usr/lib/pymodules/python2.7/openerp/workflow/wkf_expr.py", line 64, in execute_action
result = obj.run(cr, ident[0], [activity['action_id']], ctx)
File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_actions.py", line 681, in run
body = self.merge_message(cr, uid, action.message, action, context)
File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_actions.py", line 614, in merge_message
message = com.sub(merge, keystr)
File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_actions.py", line 607, in merge
'time': time,
File "/usr/lib/pymodules/python2.7/openerp/tools/safe_eval.py", line 241, in safe_eval
return eval(test_expr(expr,_SAFE_OPCODES, mode=mode), globals_dict, locals_dict)
File "", line 1, in <module>
File "/usr/lib/pymodules/python2.7/openerp/osv/orm.py", line 478, in getattr
raise AttributeError(e)
AttributeError: "Field 'x_teacher' does not exist in object 'browse_record(base.language.export, 4)'" -
[quote] File "/usr/lib/pymodules/python2.7/openerp/addons/base/ir/ir_actions.py", line 614, in merge_message
message = com.sub(merge, keystr)[/quote]
[quote]AttributeError: "Field 'x_teacher' does not exist in object 'browse_record(base.language.export, 4)'"[/quote]
你应该是在创建notify teacher的server action时，选择错了Object -
标准的开发技术是写代码，python或者xml文件
view编辑器、model直接定义、报表编辑器这些是出具原型的辅助工具，不建议使用
这个演讲是针对python技术人员的，采用这种演示方式是为了向已掌握python开发技术的人展示OpenERP的强大和方便，在实际项目中我们都是写模块的。
新手不要效仿。
