[CASSANDRA-16872] Handle empty TOC file when taking snapshots

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0.2, 4.1-alpha1, 4.1
• Component/s: Local/Snapshots, Local/Startup and Shutdown
• Bug Category: Degradation - Other Exception
• Severity: Low
• Complexity: Low Hanging Fruit
• Discovered By: Adhoc Test
• Platform: All
• Since Version: 4.0-alpha1

Source Control Link

https://github.com/apache/cassandra/commit/b9d8700355bf0ecabe1ca7e3f139d0ad52c4bdc4

Test and Documentation Plan

Test included in the patch

• Assignee: Marcus Eriksson
• Reporter: Marcus Eriksson

Authors

Marcus Eriksson

Reviewers

Alex Petrov

• Created: 20/Aug/21 11:53
• Updated: 27/May/22 19:25
• Resolved: 20/Sep/21 12:37

Description

In some situations we can end up with empty TOC files during unclean shutdown, then, on startup we get an exception when trying to acquire 0 permits from the rate limiter

Issue Links

• is duplicated by: CASSANDRA-17604 java.lang.IllegalArgumentException during Cassandra 4.x upgrade
• relates to: CASSANDRA-10709 Synchronize TOC and digest