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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