我正在try 迭代这个循环:
for doc in coll.find()
我在第10万多条记录中得到以下错误.
File "build\bdist.win32\egg\pymongo\cursor.py", line 703, in next
File "build\bdist.win32\egg\pymongo\cursor.py", line 679, in _refresh
File "build\bdist.win32\egg\pymongo\cursor.py", line 628, in __send_message
File "build\bdist.win32\egg\pymongo\helpers.py", line 95, in _unpack_response
pymongo.errors.OperationFailure: cursor id '1236484850793' not valid at server
这个错误意味着什么?