MongoLab/PyMongo connection error

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MongoLab/PyMongo connection error



If I run in the shell:


mongo ds0219xx.mlab.com:219xx/dbname -u user -p pass



It works and allows me to connect to the database and pull information. But if I'm within my python application (Flask) and run this:


import pymongo

client = pymongo.MongoClient("mongodb://user:pass@ds0219xx.mlab.com:219xx/dbname")

db = client["dbname"]

db.users.insert_one(
"user1": "hello"
)



It gives me an:


pymongo.errors.OperationFailure: Authentication failed.



I'm pretty sure it's failing before it gets to the insert_one() call, but I'm not completely sure.



Thanks!



Edit:
By request, here is the full callback:


Traceback (most recent call last):
File "run.py", line 1, in <module>
from app import app
File "/Users/Derek/Documents/programming/shenalum/app/__init__.py", line 6, in <module>
from app import views
File "/Users/Derek/Documents/programming/shenalum/app/views.py", line 4, in <module>
from data import get_posts, get_user_info
File "/Users/Derek/Documents/programming/shenalum/app/data.py", line 9, in <module>
"user1": "hello"
File "/usr/local/lib/python2.7/site-packages/pymongo/collection.py", line 622, in insert_one
with self._socket_for_writes() as sock_info:
File "/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/local/lib/python2.7/site-packages/pymongo/mongo_client.py", line 718, in _get_socket
with server.get_socket(self.__all_credentials) as sock_info:
File "/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/local/lib/python2.7/site-packages/pymongo/server.py", line 152, in get_socket
with self.pool.get_socket(all_credentials, checkout) as sock_info:
File "/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/local/lib/python2.7/site-packages/pymongo/pool.py", line 541, in get_socket
sock_info.check_auth(all_credentials)
File "/usr/local/lib/python2.7/site-packages/pymongo/pool.py", line 306, in check_auth
auth.authenticate(credentials, self)
File "/usr/local/lib/python2.7/site-packages/pymongo/auth.py", line 436, in authenticate
auth_func(credentials, sock_info)
File "/usr/local/lib/python2.7/site-packages/pymongo/auth.py", line 416, in _authenticate_default
return _authenticate_scram_sha1(credentials, sock_info)
File "/usr/local/lib/python2.7/site-packages/pymongo/auth.py", line 188, in _authenticate_scram_sha1
res = sock_info.command(source, cmd)
File "/usr/local/lib/python2.7/site-packages/pymongo/pool.py", line 213, in command
read_concern)
File "/usr/local/lib/python2.7/site-packages/pymongo/network.py", line 99, in command
helpers._check_command_response(response_doc, None, allowable_errors)
File "/usr/local/lib/python2.7/site-packages/pymongo/helpers.py", line 196, in _check_command_response
raise OperationFailure(msg % errmsg, code, response)



pymongo.errors.OperationFailure: Authentication failed.





Could you include the whole traceback? That way we could be sure if it fails before the insert_one(...) call. Though the error is about auth and that would probably mean during MongClient creation :P
– Ilja Everilä
Mar 24 '16 at 12:33



insert_one(...)


MongClient





added that, thanks
– Derek Schuster
Mar 24 '16 at 12:38




2 Answers
2



I figured it out. You can do this from the python file and it will work:


connection = pymongo.MongoClient(ab123456.mlab.com, 123456)
db = connection[databasename]
db.authenticate(database_user, database_pass)





Please please please, mark it as correct. This is gem :)
– Nabin
May 13 '17 at 14:31





what does this mean? like what are you trying to convey in the first line: pymongo.MongoClient(ab123456.mlab.com, 123456). Does the port number appear as a second argument? or is the password but no username? i'm not sure how to interpret this
– frogeyedpeas
Jul 21 '17 at 0:27





I guess ideally phrase that in terms of the URL OP supplied and then it'll make more sense :)
– frogeyedpeas
Jul 21 '17 at 0:31





pymongo.errors.ConnectionFailure: timed out
– pyd
May 23 at 6:03


pymongo.errors.ConnectionFailure: timed out





One caveat here. The characters "ab1" are probably referring to the server name, whereas "23456" would be the port, not 123456. So, heads up.
– Jace
Jul 4 at 17:42



The answer given by @Derek Schuster was correct. Just to make it more clear.


DB_NAME = database_name
DB_HOST = dsxxxxxx.mlab.com
DB_PORT = 12345
DB_USER = user
DB_PASS = pass

connection = MongoClient(DB_HOST, DB_PORT)
db = connection[DB_NAME]
db.authenticate(DB_USER, DB_PASS)



Hope it helps. :)






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