[KUDU-3042] DCHECK hit in Connection::HandleOutboundCallTimeout

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.12.0
• Fix Version/s: 1.12.0
• Component/s: rpc
• Assignee: Unassigned
• Reporter: Thomas Tauber-Marshall
• Created: 14/Jan/20 20:54
• Updated: 07/Feb/20 00:48
• Resolved: 17/Jan/20 01:31

Description

When testing a patch for IMPALA-8712, I ran into the error:

F0114 12:18:29.332731 22712 connection.cc:379] Check failed: car->call 

This occurs when an async rpc is cancelled and then hits its timeout, as the timeout handling code assumes that the call is still valid.