[FLINK-3773] Scanners are left unclosed in SqlExplainTest

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Assignee: Saikat Maitra
• Reporter: Ted Yu
• Created: 17/Apr/16 00:34
• Updated: 18/Apr/16 15:39
• Resolved: 18/Apr/16 14:37

Description

e.g.

    String source = new Scanner(new File(testFilePath +
        "../../src/test/scala/resources/testFilter0.out"))

Scanner implements AutoCloseable.
Using try-with-resources would be a good pattern for closing the Scanners.