[GitHub] zeppelin pull request #2582: fixed jdbc connection issue.

[astroshim]

Github user astroshim closed the pull request at:

https://github.com/apache/zeppelin/pull/2582


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[GitHub] zeppelin pull request #2582: fixed jdbc connection issue.

[astroshim]

GitHub user astroshim opened a pull request:

https://github.com/apache/zeppelin/pull/2582

fixed jdbc connection issue.

### What is this PR for?
This PR fixes JDBC connection release problem.

for example whenever i run not executable command like following

![image](https://user-images.githubusercontent.com/3348133/30206892-8248d1ae-94c8-11e7-9eae-a495be075892.png)

new JDBC connection is made like following.
```
$ netstat -an |grep EST |grep 3306 |wc -l
   1
$ netstat -an |grep EST |grep 3306 |wc -l
   2
$ netstat -an |grep EST |grep 3306 |wc -l
   3
```


### What type of PR is it?
Bug Fix


### 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/astroshim/zeppelin feat/fixJdbcIssue

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

https://github.com/apache/zeppelin/pull/2582.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 #2582


commit 9b99d21e9d2e637c34351ff3fdd54dc8748fe962
Author: Shim 
Date:   2017-09-12T05:22:59Z

fixed jdbc connection issue.




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