[FLINK-10690] Tests leak resources via Files.list

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.4, 1.6.1, 1.7.0
• Fix Version/s: 1.5.6, 1.6.3, 1.7.0
• Component/s: Tests
• Labels: pull-request-available
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 26/Oct/18 09:24
• Updated: 31/Oct/18 10:36
• Resolved: 31/Oct/18 10:36

Description

Files.list has the unfortunate property that is has to be explicitly closed to cleanup the underlying DirectoryStream. This is not done automatically by collectors.

Several tests don't close the stream.

Issue Links

• links to: GitHub Pull Request #6939