[FLINK-14976] Cassandra Connector leaks Semaphore on Throwable; hangs on close

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.2, 1.9.1, 1.10.0
• Fix Version/s: 1.8.3, 1.9.2, 1.10.0
• Component/s: Connectors / Cassandra
• Labels: pull-request-available
• Assignee: Mads Chr. Olesen
• Reporter: Mads Chr. Olesen
• Created: 27/Nov/19 13:21
• Updated: 29/Jan/20 03:48
• Resolved: 29/Nov/19 18:55

Description

This issue was mostly fixed in FLINK-13059; unfortunately, the fix only caught Exception so any non-Exception Throwable can still cause the issue of leaking semaphores.

Issue Links

• links to: GitHub Pull Request #10339