[GitHub] [hadoop-submarine] LinhaoZhu opened a new pull request #29: [SUBMARINE-204] Optimize the tryResourceClose

[GitBox <gi...@apache.org>]

LinhaoZhu opened a new pull request #29: [SUBMARINE-204] Optimize the tryResourceClose
URL: https://github.com/apache/hadoop-submarine/pull/29
 
 
   ### What is this PR for?
   Refer to the Java code specification:https://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html,
   
   Write the resources that need to be closed in the try block instead of manually closing them in finally.
   
   ### What type of PR is it?
   [ Improvement ]
   
   ### Todos
   * [ ] - Task
   
   ### What is the Jira issue?
   * [SUBMARINE-204](https://issues.apache.org/jira/browse/SUBMARINE-204)
   
   ### How should this be tested?
   * [CI Pass](https://travis-ci.org/LinhaoZhu/hadoop-submarine/builds/592062347)
   
   ### Screenshots (if appropriate)
   
   ### 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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