ASF GitHub Bot commented on METRON-1451:

GitHub user anandsubbu opened a pull request:


    METRON-1451: On Centos full dev, Metron Indexing shows up as stopped

    ## Contributor Comments
    **Root Cause**
    The python-requests module introduced a VendorAlias import machinery in 
v2.5.2 and caused the sys.modules to break. This issue was later fixed in 
v2.6.1 of python-requests (see [here](https://pypi.python.org/pypi/requests)). 
    The solution is to use this version of python-requests, which fixed the 
    **Testing Done**
    On CentOS 6 full dev
    - Validated python-requests v2.6.1 is installed 
    - Checked for the Metron Indexing service state to be up. 
    - Checked ambari-agent.log and the error was not seen.
    On Ubuntu 14 full dev
    - Repeated the same steps as on CentOS 6 
    **Verification Steps**
    - Spin up full dev. 
    - Verify Metron Indexing service is shown as up and running.
    ## Pull Request Checklist
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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/anandsubbu/incubator-metron METRON-1451

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #932
commit f3821ec78708c0122ba7d3ed8057907c8e7a224e
Author: Anand Subramanian <asubramanian@...>
Date:   2018-02-08T11:12:50Z

    Install the right version of python-requests


> On Centos full dev, Metron Indexing shows up as stopped
> -------------------------------------------------------
>                 Key: METRON-1451
>                 URL: https://issues.apache.org/jira/browse/METRON-1451
>             Project: Metron
>          Issue Type: Bug
>    Affects Versions: 0.4.3
>            Reporter: Anand Subramanian
>            Assignee: Anand Subramanian
>            Priority: Major
>             Fix For: Next + 1
> In Ambari, the Metron Indexing status is shown as 'stopped'. The agent log 
> shows the following error:
> {code:java}
> INFO 2018-02-05 22:21:39,990 PythonReflectiveExecutor.py:67 - Reflective 
> command failed with exception:
> Traceback (most recent call last):
>   File 
> "/usr/lib/python2.6/site-packages/ambari_agent/PythonReflectiveExecutor.py", 
> line 59, in run_file
>     imp.load_source('__main__', script)
>   File 
> "/var/lib/ambari-agent/cache/common-services/METRON/0.4.3/package/scripts/indexing_master.py",
>  line 18, in <module>
>     import requests
>   File "/usr/lib/python2.6/site-packages/requests/__init__.py", line 53, in 
> <module>
>     from .packages.urllib3.contrib import pyopenssl
>   File "/usr/lib/python2.6/site-packages/requests/packages/__init__.py", line 
> 61, in load_module
>     if name in sys.modules:
> AttributeError: 'NoneType' object has no attribute 'modules'{code}

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