我正在尝试使用 gremlin python 在 AWS neptune 上执行 lambda 函数。它击中了我gremlin-python is not an available GremlinScriptEngine。有人可以帮忙解决这个问题吗？g.V().out().map(lambda: "lambda x: len(x.get().value('event'))").toList()
图中的每个顶点都包含一个event属性是文本
执行的查询：g.V().out().map(lambda: "lambda x: len(x.get().value('event'))").toList()堆栈跟踪：
GremlinServerError Traceback (most recent call last)
<ipython-input-392-602123a0a83a> in <module>()
----> 1 g.V().out().map(lambda: "lambda x: len(x.get().value('event'))").toList()
/usr/local/lib/python3.7/site-packages/gremlin_python/process/traversal.py in toList(self)
55
56 def toList(self):
---> 57 return list(iter(self))
58
59 def toSet(self):
/usr/local/lib/python3.7/site-packages/gremlin_python/process/traversal.py in __next__(self)
45 def __next__(self):
46 if self.traversers is None:
---> 47 self.traversal_strategies.apply_strategies(self)
48 if self.last_traverser is None:
49 self.last_traverser = next(self.traversers)
/usr/local/lib/python3.7/site-packages/gremlin_python/process/traversal.py in apply_strategies(self, traversal)
504 def apply_strategies(self, traversal):
505 for traversal_strategy in self.traversal_strategies:
--> 506 traversal_strategy.apply(traversal)
507
508 def apply_async_strategies(self, traversal):
/usr/local/lib/python3.7/site-packages/gremlin_python/driver/remote_connection.py in apply(self, traversal)
146 def apply(self, traversal):
147 if traversal.traversers is None:
--> 148 remote_traversal = self.remote_connection.submit(traversal.bytecode)
149 traversal.remote_results = remote_traversal
150 traversal.side_effects = remote_traversal.side_effects
/usr/local/lib/python3.7/site-packages/gremlin_python/driver/driver_remote_connection.py in submit(self, bytecode)
52 def submit(self, bytecode):
53 result_set = self._client.submit(bytecode)
---> 54 results = result_set.all().result()
55 side_effects = RemoteTraversalSideEffects(result_set.request_id, self._client,
56 result_set.status_attributes)
/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/concurrent/futures/_base.py in result(self, timeout)
430 raise CancelledError()
431 elif self._state == FINISHED:
--> 432 return self.__get_result()
433 else:
434 raise TimeoutError()
/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/concurrent/futures/_base.py in __get_result(self)
382 def __get_result(self):
383 if self._exception:
--> 384 raise self._exception
385 else:
386 return self._result
/usr/local/lib/python3.7/site-packages/gremlin_python/driver/resultset.py in cb(f)
88 def cb(f):
89 try:
---> 90 f.result()
91 except Exception as e:
92 future.set_exception(e)
/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/concurrent/futures/_base.py in result(self, timeout)
423 raise CancelledError()
424 elif self._state == FINISHED:
--> 425 return self.__get_result()
426
427 self._condition.wait(timeout)
/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/concurrent/futures/_base.py in __get_result(self)
382 def __get_result(self):
383 if self._exception:
--> 384 raise self._exception
385 else:
386 return self._result
/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/concurrent/futures/thread.py in run(self)
55
56 try:
---> 57 result = self.fn(*self.args, **self.kwargs)
58 except BaseException as exc:
59 self.future.set_exception(exc)
/usr/local/lib/python3.7/site-packages/gremlin_python/driver/connection.py in _receive(self)
78 while True:
79 data = self._transport.read()
---> 80 status_code = self._protocol.data_received(data, self._results)
81 if status_code != 206:
82 break
/usr/local/lib/python3.7/site-packages/gremlin_python/driver/protocol.py in data_received(self, message, results_dict)
108 else:
109 del results_dict[request_id]
--> 110 raise GremlinServerError(message["status"])
GremlinServerError: 599: {"requestId":"b8d8ea20-bcab-4350-94f3-47611fac704a","code":"InternalFailureException","detailedMessage":"gremlin-python is not an available GremlinScriptEngine"}```
