Jave-Chen opened a new issue #1666: [BUG] Fix SonarCloud bug “Resources should be closed” URL: https://github.com/apache/incubator-dolphinscheduler/issues/1666 Description Connections, streams, files, and other classes that implement the Closeable interface or its super-interface, AutoCloseable, needs to be closed after use. Further, that close call must be made in a finally block otherwise an exception could keep the call from being made. Preferably, when class implements AutoCloseable, resource should be created using "try-with-resources" pattern and will be closed automatically. Failure to properly close resources will result in a resource leak which could bring first the application and then perhaps the box it's on to their knees. Soucre file： dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/ZooKeeperState.java link： https://sonarcloud.io/project/issues?id=apache-dolphinscheduler&issues=AW9PvjupYzPBRjkobYuj&open=AW9PvjupYzPBRjkobYuj https://sonarcloud.io/project/issues?id=apache-dolphinscheduler&issues=AW9PvjupYzPBRjkobYuk&open=AW9PvjupYzPBRjkobYuk
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