Invalid input data for the query cache can cause a system deadlock
Details
| Detail name | Value |
|---|---|
| Changelog Number | 25584 |
| Type | Bug |
| Status | Resolved |
| Affected Versions | Exasol 8.0.0 |
| Fix Versions | Exasol 2025.1.1 |
| Resolution Date | 2025-08-06 |
Description
Invalid input data for the query cache can cause a system deadlocks, making database unresponsive or not allowing any new connections.
Workaround
Disable the query cache. This can be done by adding the DB parameter "-useQueryCache=0" (see Adding Database Parameters).
Fix
The query cache is now more resilient to invalid input data and prevents system deadlocks.
