[RANGER-3668] JSONDecodeError

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.2.0
• Component/s: Ranger
• Labels: JSON apache-ranger python
• Environment: ranger is hosted on azure k8s service, im trying to connect to it using apache-ranger python library
• Flags: Important

Language

Python

• Assignee: Ramesh Mani
• Reporter: Jeevan p
• Created: 17/Mar/22 09:27
• Updated: 13/Apr/22 17:06
• Resolved: 18/Mar/22 20:19

Description

from trino.dbapi import connect
from trino.auth import BasicAuthentication
from apache_ranger.model.ranger_service import *
from apache_ranger.client.ranger_client import *
from apache_ranger.model.ranger_policy  import * 
ranger_url  = "http://dummy_host:0000"
ranger_auth = ("dummy_user", "dummy_pass") 
ranger = RangerClient(ranger_url, ranger_auth) 

for role in ranger.find_roles():    
   print(str(role.id)) 

when i try to run the above code i get the below error

Traceback (most recent call last):
  File "c:\Users\j.shimoga.prakash\Desktop\pls work - Copy\test.py", line 17, in <module>
    for role in ranger.find_roles():
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\apache_ranger\client\ranger_client.py", line 254, in find_roles
    resp = self.__call_api(RangerClient.FIND_ROLES, filter)
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\apache_ranger\client\ranger_client.py", line 334, in __call_api
    raise RangerServiceException(api, response)
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\apache_ranger\exceptions.py", line 39, in __init__
    respJson = response.json()
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\requests\models.py", line 910, in json
    return complexjson.loads(self.text, **kwargs)
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\simplejson\__init__.py", line 525, in loads
    return _default_decoder.decode(s)
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\simplejson\decoder.py", line 370, in decode
    obj, end = self.raw_decode(s)
  File "C:\Users\j.shimoga.prakash\Desktop\pls work - Copy\venv\lib\site-packages\simplejson\decoder.py", line 400, in raw_decode
    return self.scan_once(s, idx=_w(s, idx).end())
simplejson.errors.JSONDecodeError: Expecting value: line 1 column 1 (char 0) 

also worth noting, giving in-correct user or pass does not change the error received but changing the host or port does give a diff error (max retries exceeded)