[GitHub] [zeppelin] dannycranmer opened a new pull request #4092: [ZEPPELIN-4506] Check for duplicate note on rename of a notebook

[GitBox]

dannycranmer opened a new pull request #4092:
URL: https://github.com/apache/zeppelin/pull/4092


   ### What is this PR for?
   When a user renames a note Zeppelin does not check for existing notes with 
the same name/path. This can result in errors as multiple notes can have 
conflicting paths.
   
   ### What type of PR is it?
   Bug Fix
   
   ### Todos
   * [x] - Add validation to Java code
   * [x] - Add java unit tests
   * [x] - Update Note UI to revert name to previous name when update fails
   * [x] - Add unit tests for UI
   
   ### What is the Jira issue?
   * [ZEPPELIN-4506](https://issues.apache.org/jira/browse/ZEPPELIN-4506)
   
   ### How should this be tested?
   * Java unit tests
   * JavaScript unit tests
   * Manual unit test
   
   ### Screenshots (if appropriate)
   
![test__-_Zeppelin](https://user-images.githubusercontent.com/4950503/114375043-30171080-9b7c-11eb-81fe-0869a5a395dc.png)
   
   ### Questions:
   * Does the licenses files need update? No
   * Is there breaking changes for older versions? No
   * Does this needs documentation? No
   


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