[GitHub] incubator-zeppelin pull request: [ZEPPELIN-679] only print the err...

[zhongneu]

GitHub user zhongneu opened a pull request:

    https://github.com/apache/incubator-zeppelin/pull/754

    [ZEPPELIN-679] only print the error message for SQL exceptions

    ### What is this PR for?
    
    Most of the SQL exceptions are syntax errors. Printing the full stack trace 
is not necessary. We should only print the error message to avoid distracting 
the users
    
    ### What type of PR is it?
    Improvement
    
    ### Todos
    
    ### What is the Jira issue?
    [ZEPPELIN-679](https://issues.apache.org/jira/browse/ZEPPELIN-679)
    
    ### How should this be tested?
    
    ### Screenshots (if appropriate)
    ![screen shot 2016-02-26 at 11 44 30 
pm](https://cloud.githubusercontent.com/assets/3282033/13377521/7002f6de-dd93-11e5-90da-239aff0239f8.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/zhongneu/incubator-zeppelin less-sql-err-msg

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

    https://github.com/apache/incubator-zeppelin/pull/754.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 #754
    
----
commit 39dd274d76a7f3cf1ee736215a08e17ca2e27593
Author: Zhong Wang <wangzhong....@gmail.com>
Date:   2016-02-27T07:27:02Z

    only print the error message for SQL exceptions

----


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