Jave-Chen opened a new issue #1714: [BUG] Fix bug: Use try-with-resources or close this "Socket" in a "finally" clause. URL: https://github.com/apache/incubator-dolphinscheduler/issues/1714 **Describe the bug** 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. **File** dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/utils/FourLetterWordMain.java dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/sql/SqlTask.java **Link** https://sonarcloud.io/project/issues?id=apache-dolphinscheduler&issues=AW9Pvju3YzPBRjkobYuy&open=AW9Pvju3YzPBRjkobYuy https://sonarcloud.io/project/issues?id=apache-dolphinscheduler&issues=AW9PvkJkYzPBRjkobY5H&open=AW9PvkJkYzPBRjkobY5H https://sonarcloud.io/project/issues?id=apache-dolphinscheduler&issues=AW9PvkJkYzPBRjkobY5F&open=AW9PvkJkYzPBRjkobY5F https://sonarcloud.io/project/issues?id=apache-dolphinscheduler&issues=AW9PvkJkYzPBRjkobY5G&open=AW9PvkJkYzPBRjkobY5G
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