[ARROW-15427] [C++][Gandiva] Dead lock in cache

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++ - Gandiva
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30909
• Assignee: Nate Clark
• Reporter: Nate Clark
• Created: 24/Jan/22 15:15
• Updated: 11/Jan/23 11:37
• Resolved: 27/Jan/22 10:05

Description

Encountered a dead lock a few times trying to lock the mutex in gandiva::Cache. Not sure how this was occurring but using `std::lock_guard` to hold the lock stopped it from happening.

Issue Links

• links to: GitHub Pull Request #12238