[GitHub] zeppelin pull request #1311: [ZEPPELIN-1316]

[cloverhearts]

GitHub user cloverhearts opened a pull request:

    https://github.com/apache/zeppelin/pull/1311

    [ZEPPELIN-1316] 

    ### What is this PR for?
    If there are problems with the information defined in the Interpreter 
Setting (conf / interpreter.json), Interpreter Group during the defined file 
does not exist, can not run Zeppelin.
    Thus, it was an exception handling for that part.
    
    In order to address this issue in the current version it was restarted 
after deleting Interpreter.json.
    
    ### What type of PR is it?
    Bug Fix
    
    ### Todos
    - [x] - check to Interpreter Setting is null
    
    ### What is the Jira issue?
    https://issues.apache.org/jira/browse/ZEPPELIN-1316
    
    ### How should this be tested?
    
    1. Modify the following part of the Interpreter.json file.
    ```json
    {
          "interpreterGroup": [
            {    
              "name": "spark",
              "class": "fake and invalid class path more more...", // invalid 
value
              "defaultInterpreter": false
            }
    }
    ```
    
    2. 
    After restarting the Zeppelin, Zeppelin Confirm that normally works.
    Version of the PR is to be normally started up.
    It should also be display all possible Interpreter Web UI.
    
    ### Screenshots (if appropriate)
    #### before
    <img width="618" alt="error" 
src="https://cloud.githubusercontent.com/assets/10525473/17543783/104363e4-5f0e-11e6-8279-e018a708ccb8.png";>
    
    #### after
    <img width="1026" alt="correct" 
src="https://cloud.githubusercontent.com/assets/10525473/17543867/899da484-5f0e-11e6-9f8b-b1bac7cb2718.png";>
    
    ### Questions:
    * Does the licenses files need update? no
    * Is there breaking changes for older versions? no
    * Does this needs documentation? no


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/cloverhearts/zeppelin ZEPPELIN-1316

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

    https://github.com/apache/zeppelin/pull/1311.patch

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

    This closes #1311
    
----
commit d22358b6152e533473c0429c6942f28fe88884c5
Author: CloverHearts <cloverhearts...@gmail.com>
Date:   2016-08-10T05:58:39Z

    check to Interpreter Setting is null on interpreter factory in loadfromfile 
method

----


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