[SPARK-26507] Fix core tests for Java 11

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Spark Core
• Target Version/s: 3.0.0
• Assignee: Sean R. Owen
• Reporter: Sean R. Owen
• Created: 31/Dec/18 05:42
• Updated: 03/Jan/19 08:16
• Resolved: 02/Jan/19 17:24

Description

Several core tests still don't pass in Java 11. Some simple fixes will make them pass.

Issue Links

• links to: GitHub Pull Request #23419