GitHub user prabhjyotsingh opened a pull request:
https://github.com/apache/zeppelin/pull/2034
[ZEPPELIN-2133] All interpreters sometimes throw random Connection refuse
errors
### What is this PR for?
When shiro authentication is enabled, then at times on restarting an
interpreter doesn't kill(s) the remote interpreter process.
### What type of PR is it?
[Bug Fix]
### What is the Jira issue?
* [ZEPPELIN-2133](https://issues.apache.org/jira/browse/ZEPPELIN-2133)
### How should this be tested?
- enable shiro authentication
- run atleast 2/3 different interpreter, wait for paragraph to complete
- not restart all of these interpreter
- repeat step 2
- from command line do (in this example I'm testing if livy was killed or
not) `ps aux | grep interpreter | grep livy` and observe there would be 2x
processes running.
### Screenshots (if appropriate)
Before
After
### Questions:
* Does the licenses files need update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-2133
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2034.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 #2034
----
commit c1b711034269054013bbcce3460dc7e427d3b9b9
Author: Prabhjyot Singh <prabhjyotsi...@gmail.com>
Date: 2017-02-18T03:26:53Z
ZEPPELIN-2133: merge logic for close InterpreterGroup
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