[IMPALA-12041] Trivial query fail with "No mapping found for request" error message

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 4.3.0
• Fix Version/s: Impala 4.3.0
• Component/s: Frontend
• Epic Color: ghx-label-6
• Assignee: Riza Suminto
• Reporter: Riza Suminto
• Created: 04/Apr/23 23:54
• Updated: 08/Apr/23 19:19
• Resolved: 08/Apr/23 19:18

Description

In multiple executor group setup, some trivial query like "select 1;" fail admission with "No mapping found for request" error message. Cases in the following code does not seem to set group name prefix when they break the loop early.
https://github.com/apache/impala/blob/cd9f3f578ef1bceeb5c48354fb9d2d6292ff5155/fe/src/main/java/org/apache/impala/service/Frontend.java#L2048-L2059