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我正在尝试使用异步 URL 获取接口。但是当在生产环境中使用回调时，我得到一个 AssertionError。

这是由回调函数中的数据存储访问引起的吗？回调函数有什么限制？是否还有其他无法异步运行的 API？

这是堆栈...

('The Wait() request was interrupted by an exception from another callback:', AssertionError('1',))
Traceback (most recent call last):
  File "/base/python_runtime/python_lib/versions/1/google/appengine/ext/webapp/__init__.py", line 513, in __call__
    handler.post(*groups)
  File "/base/data/home/apps/smsmybus/15.344643308619037909/main.py", line 153, in post
    self.get()
  File "/base/data/home/apps/smsmybus/15.344643308619037909/main.py", line 182, in get
    bus.aggregateBusesAsynch(smsBody,self.request.get('SmsSid'),self.request.get('From'))
  File "/base/data/home/apps/smsmybus/15.344643308619037909/bus.py", line 296, in aggregateBusesAsynch
    rpc.wait()
  File "/base/python_runtime/python_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 460, in wait
    self.__rpc.Wait()
  File "/base/python_runtime/python_lib/versions/1/google/appengine/api/apiproxy_rpc.py", line 112, in Wait
    rpc_completed = self._WaitImpl()
  File "/base/python_runtime/python_lib/versions/1/google/appengine/runtime/apiproxy.py", line 108, in _WaitImpl
    rpc_completed = _apphosting_runtime___python__apiproxy.Wait(self)
  File "/base/python_runtime/python_lib/versions/1/google/appengine/runtime/apiproxy.py", line 171, in __MakeCallDone
    self.__Callback()
  File "/base/python_runtime/python_lib/versions/1/google/appengine/api/apiproxy_rpc.py", line 161, in __Callback
    self.callback()
  File "/base/data/home/apps/smsmybus/15.344643308619037909/bus.py", line 265, in <lambda>
    return lambda: handle_result(rpc,stopID,routeID,sid,directionID)
  File "/base/data/home/apps/smsmybus/15.344643308619037909/bus.py", line 252, in handle_result
    stop.put()
  File "/base/python_runtime/python_lib/versions/1/google/appengine/ext/db/__init__.py", line 893, in put
    return datastore.Put(self._entity, rpc=rpc)
  File "/base/python_runtime/python_lib/versions/1/google/appengine/api/datastore.py", line 291, in Put
    'datastore_v3', 'Put', req, datastore_pb.PutResponse(), rpc)
  File "/base/python_runtime/python_lib/versions/1/google/appengine/api/datastore.py", line 194, in _MakeSyncCall
    rpc.wait()
  File "/base/python_runtime/python_lib/versions/1/google/appengine/api/apiproxy_stub_map.py", line 461, in wait
    assert self.__rpc.state == apiproxy_rpc.RPC.FINISHING, repr(self.state)
InterruptedError: ('The Wait() request was interrupted by an exception from another callback:', AssertionError('1',))
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1 回答 1

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添加我自己的答案只是为了解决这个问题......

尼克是对的。请求完成后，我尝试执行回调。我没有正确使用等待调用。

于 2011-01-20T22:43:45.067 回答