This code, I got from the Amazon Neptune Tutorial https://docs.aws.amazon.com/neptune/latest/userguide/access-graph-gremlin-python.html
But, I got an error like this when I try to run the code in Jupyter Notebook (internal in my laptop).
This is my code
---------------------------------------------------------------------------
HTTPError Traceback (most recent call last)
<ipython-input-1-fae80b27d2c6> in <module>
12 g = graph.traversal().withRemote(remoteConn)
13
---> 14 print(g.V().limit(2).toList())
15
16 remoteConn.close()
C:ProgramDataAnaconda3libsite-packagesgremlin_pythonprocessraversal.py in toList(self)
56
57 def toList(self):
---> 58 return list(iter(self))
59
60 def toSet(self):
C:ProgramDataAnaconda3libsite-packagesgremlin_pythonprocessraversal.py in __next__(self)
46 def __next__(self):
47 if self.traversers is None:
---> 48 self.traversal_strategies.apply_strategies(self)
49 if self.last_traverser is None:
50 self.last_traverser = next(self.traversers)
C:ProgramDataAnaconda3libsite-packagesgremlin_pythonprocessraversal.py in apply_strategies(self, traversal)
571 def apply_strategies(self, traversal):
572 for traversal_strategy in self.traversal_strategies:
--> 573 traversal_strategy.apply(traversal)
574
575 def apply_async_strategies(self, traversal):
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriver
emote_connection.py in apply(self, traversal)
147 def apply(self, traversal):
148 if traversal.traversers is None:
--> 149 remote_traversal = self.remote_connection.submit(traversal.bytecode)
150 traversal.remote_results = remote_traversal
151 traversal.side_effects = remote_traversal.side_effects
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriverdriver_remote_connection.py in submit(self, bytecode)
54
55 def submit(self, bytecode):
---> 56 result_set = self._client.submit(bytecode, request_options=self._extract_request_options(bytecode))
57 results = result_set.all().result()
58 side_effects = RemoteTraversalSideEffects(result_set.request_id, self._client,
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriverclient.py in submit(self, message, bindings, request_options)
125
126 def submit(self, message, bindings=None, request_options=None):
--> 127 return self.submitAsync(message, bindings=bindings, request_options=request_options).result()
128
129 def submitAsync(self, message, bindings=None, request_options=None):
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriverclient.py in submitAsync(self, message, bindings, request_options)
146 if request_options:
147 message.args.update(request_options)
--> 148 return conn.write(message)
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriverconnection.py in write(self, request_message)
53 def write(self, request_message):
54 if not self._inited:
---> 55 self.connect()
56 request_id = str(uuid.uuid4())
57 result_set = resultset.ResultSet(queue.Queue(), request_id)
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriverconnection.py in connect(self)
43 self._transport.close()
44 self._transport = self._transport_factory()
---> 45 self._transport.connect(self._url, self._headers)
46 self._protocol.connection_made(self._transport)
47 self._inited = True
C:ProgramDataAnaconda3libsite-packagesgremlin_pythondriverornadoransport.py in connect(self, url, headers)
38 if headers:
39 url = httpclient.HTTPRequest(url, headers=headers)
---> 40 self._ws = self._loop.run_sync(
41 lambda: websocket.websocket_connect(url, compression_options=self._compression_options))
42
~AppDataRoamingPythonPython38site-packagesornadoioloop.py in run_sync(self, func, timeout)
456 if not future_cell[0].done():
457 raise TimeoutError('Operation timed out after %s seconds' % timeout)
--> 458 return future_cell[0].result()
459
460 def time(self):
~AppDataRoamingPythonPython38site-packagesornadoconcurrent.py in result(self, timeout)
236 if self._exc_info is not None:
237 try:
--> 238 raise_exc_info(self._exc_info)
239 finally:
240 self = None
~AppDataRoamingPythonPython38site-packagesornadoutil.py in raise_exc_info(exc_info)
~AppDataRoamingPythonPython38site-packagesornadostack_context.py in wrapped(*args, **kwargs)
314 if top is None:
315 try:
--> 316 ret = fn(*args, **kwargs)
317 except:
318 exc = sys.exc_info()
~AppDataRoamingPythonPython38site-packagesornadosimple_httpclient.py in _on_timeout(self, info)
305 error_message = "Timeout {0}".format(info) if info else "Timeout"
306 if self.final_callback is not None:
--> 307 raise HTTPError(599, error_message)
308
309 def _remove_timeout(self):
HTTPError: HTTP 599: Timeout while connecting
This is the error that I got.
What should I do?
question from:
https://stackoverflow.com/questions/65913001/i-have-try-to-connect-python-jupyter-notebook-with-amazon-neptune-db-instance-b 与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…