[SPARK-21970] Do a Project Wide Sweep for Redundant Throws Declarations

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.3.0
• Component/s: Examples, Spark Core, SQL
• Labels: cleanup
• Assignee: Armin Braun
• Reporter: Armin Braun
• Created: 10/Sep/17 20:24
• Updated: 13/Sep/17 13:05
• Resolved: 13/Sep/17 13:04

Description

Unfortunately, redundant throws declarations are not caught by Checkstyle and there are quite a few in the current Java codebase.
In one case `ShuffleExternalSorter#closeAndGetSpills` this hides some dead code too.

I think it's worthwhile to do a sweep for these and remove them.

Issue Links

• links to: [Github] Pull Request #19182 (original-brownbear)