GitHub user WeichenXu123 opened a pull request:
https://github.com/apache/zeppelin/pull/1421
[ZEPPELIN-1422][zeppelin-interpreter] fix InterpreterProperty equals
methods, add null check
### What is this PR for?
in PR https://github.com/apache/zeppelin/pull/1382,
there is a small bug that `InterpreterProperty.equals` do not check `null`.
jdk lib request the `null` check otherwise it has the risk causing java
collections operation throw exception.
so I fix it.
### What type of PR is it?
Bug Fix
### Todos
N/A
### What is the Jira issue?
https://issues.apache.org/jira/browse/ZEPPELIN-1422
### How should this be tested?
existing test.
### 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/WeichenXu123/zeppelin
fix_InterpreterProperty.equals
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1421.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 #1421
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commit eb8d4ee87c5f681caf8a1c9b4c03c90b71ff851f
Author: WeichenXu <weichenxu...@outlook.com>
Date: 2016-09-08T04:46:27Z
fix_InterpreterProperty.equals
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