Sessions idle timeout infinite loop fixed

Detail name	Value
Changelog Number	22702
Type	Bug
Status	Resolved
Affected Versions	Exasol 8.0.0
Fix Versions	Exasol 2026.1.0, Exasol 2025.1.11
Resolution Date	2026-05-15

Description

Due to an internal Connection Server sessions queue problem a session could enter to an ‘infinite’ loop after the session idle timeout is reached. This could lead to the generation of huge logs containing repeating timeout error message and also to system performance problems.

Workaround

Idle timeout could be set at system, session and consumer group level via

• ALTER SYSTEM
• ALTER SESSION
• ALTER CONSUMER GROUP

To avoid the issue, please set the value 0 (unlimited) on the same level (system / session / consumer group) where it’s already set.

Fix

The sessions idle timeout handling is changed to avoid the infinite loops.