GitHub user zjffdu reopened a pull request:
https://github.com/apache/zeppelin/pull/1751
ZEPPELIN-1786. Refactor LivyHelper
### What is this PR for?
This PR continue the work of livy refactoring. Here's the main changes in
this PR
* Move the code from `LivyHelper` to `BaseLivyInterprereter`
* Define POJO for livy request and response
* Move the livy session initialization from `interpret` to `open`
* Add one more complicated test which use the spark basic tutorial note.
* Support livy.sql for spark2
* Use zeppelin.livy.create.session.timeout instead of retry count as retry
count is internal implementation and user don't know what does it mean.
* Improve travis (wrap livy related work in `setupLivy.sh`)
### What type of PR is it?
[Improvement | Refactoring]
### Todos
* [ ] - Task
### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-1786
### How should this be tested?
One more integration test is added
### Screenshots (if appropriate)
### 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/zjffdu/zeppelin ZEPPELIN-1786
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1751.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 #1751
----
commit 0a1aa5dd993141efb6034b4799ba8aebec1a80dc
Author: Jeff Zhang <zjf...@apache.org>
Date: 2016-12-12T04:02:03Z
ZEPPELIN-1786. Refactor LivyHelper
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