[jira] [Commented] (CLIMATE-611) SSL certificate verify error

["Omkar Reddy (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLIMATE-611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969241#comment-14969241 ] 

Omkar Reddy commented on CLIMATE-611:
-------------------------------------

I have tried to run it using python 2.7 and the run was successfull in my pc. 
The pc currently uses Python 2.7.10 :: Anaconda 2.3.0 on mac. 

> SSL certificate verify error
> ----------------------------
>
>                 Key: CLIMATE-611
>                 URL: https://issues.apache.org/jira/browse/CLIMATE-611
>             Project: Apache Open Climate Workbench
>          Issue Type: Task
>          Components: data sources
>    Affects Versions: 0.5
>            Reporter: Huikyo Lee
>            Priority: Blocker
>             Fix For: 1.1
>
>
> Error messages below while running example/knmi_to_cru31_full_bias.py.
> #########################################################
> Working with the rcmed interface to get CRU3.1 Daily-Max Temp
> Traceback (most recent call last):
>   File "knmi_to_cru31_full_bias.py", line 54, in <module>
>     metadata = rcmed.get_parameters_metadata()
>   File "/net/san-a1-ib/data/keeling/a/atmos-kyo/climate/ocw/data_source/rcmed.py", line 45, in get_parameters_metadata
>     string = urllib2.urlopen(url)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 154, in urlopen
>     return opener.open(url, data, timeout)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 437, in open
>     response = meth(req, response)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 550, in http_response
>     'http', request, response, code, msg, hdrs)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 469, in error
>     result = self._call_chain(*args)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 409, in _call_chain
>     result = func(*args)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 656, in http_error_302
>     return self.parent.open(new, timeout=req.timeout)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 431, in open
>     response = self._open(req, data)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 449, in _open
>     '_open', req)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 409, in _call_chain
>     result = func(*args)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 1240, in https_open
>     context=self._context)
>   File "/data/keeling/a/atmos-kyo/RCMES/anaconda/lib/python2.7/urllib2.py", line 1197, in do_open
>     raise URLError(err)
> urllib2.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:581)>
> #########################################################
> This was resolved temporarily by adding ssl context.
> The following shows git diff.
> #########################################################
> diff --git a/ocw/data_source/rcmed.py b/ocw/data_source/rcmed.py
> index baeb326..b1ef963 100644
> --- a/ocw/data_source/rcmed.py
> +++ b/ocw/data_source/rcmed.py
> @@ -21,6 +21,7 @@ Classes:
>  '''
>  import urllib, urllib2
> +import ssl
>  import re
>  import json
>  import numpy as np
> @@ -42,7 +43,7 @@ def get_parameters_metadata():
>      param_info_list = []
>      url = URL + "&param_info=yes"
> -    string = urllib2.urlopen(url)
> +    string = urllib2.urlopen(url, context=ssl._create_unverified_context())
>      data_string = string.read()
>      json_format_data = json.loads(data_string)
>      fields_name = json_format_data['fields_name']
> @@ -159,7 +160,7 @@ def _get_data(url):
>      :rtype: (Numpy array, Numpy array, Numpy array, Numpy array)
>      '''
> -    string = urllib2.urlopen(url)
> +    string = urllib2.urlopen(url, context=ssl._create_unverified_context())
> #################################################
> Is this a problem of "keeling.atmos.uiuc.edu"? Is it worth to add context whenever OCW uses 'urlopen'?



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)