cr_probe_source_connect
Moderate
MySQL · Connector / Client Library
MySQL client error 2025: PROBE SOURCE CONNECT.
Quick Answer
Error code CR_PROBE_SOURCE_CONNECT on your MySQL Connector / Client Library means: MySQL client error 2025: PROBE SOURCE CONNECT.. 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_PROBE_SOURCE_CONNECT, including host, port, TLS mode, and statement context.
2
Capture endpoint, DNS resolution, TLS handshake, and socket metrics at failure time.
3
Retry with bounded exponential backoff and idempotency protection where possible.
4
Verify firewall/proxy/network rules and regional endpoint targeting for the workload.
5
Track CR_PROBE_SOURCE_CONNECT 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