[SOLR-11880] Avoid creating new exceptions for every request made to MDCAwareThreadPoolExecutor by distributed search and update operations

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.4, 8.0
• Assignee: Shalin Shekhar Mangar
• Reporter: Varun Thacker
• Created: 22/Jan/18 01:39
• Updated: 11/Apr/20 03:27
• Resolved: 22/May/18 13:59

Description

MDCAwareThreadPoolExecutor has this line in it's{execute method

 

final Exception submitterStackTrace = new Exception("Submitter stack trace");

This means that every call via the a thread pool will create this exception, and only when it sees an error will it be used.