cr_deprecated_compression_not_supported
Moderate
MySQL · Connector / Client Library
MySQL client error 2065: DEPRECATED COMPRESSION NOT SUPPORTED.
Quick Answer
Error code CR_DEPRECATED_COMPRESSION_NOT_SUPPORTED on your MySQL Connector / Client Library means: MySQL client error 2065: DEPRECATED COMPRESSION NOT SUPPORTED.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Capture client and server logs for CR_DEPRECATED_COMPRESSION_NOT_SUPPORTED, including host, port, TLS mode, and statement context.
2
Collect server/client logs with request IDs and stack context for the failing call.
3
Retry once after confirming system health and dependency availability.
4
Escalate recurring failures with reproducible traces and version/build details.
5
Track CR_DEPRECATED_COMPRESSION_NOT_SUPPORTED frequency by environment to detect regressions early.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Related Error Codes