M
cr_null_pointer
Moderate
MySQL · Connector / Client Library
MySQL client error 2029: NULL POINTER.
Quick Answer
Error code CR_NULL_POINTER on your MySQL Connector / Client Library means: MySQL client error 2029: NULL POINTER.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. MySQL client emitted CR_NULL_POINTER during connection/statement handling.
  2. An internal runtime condition interrupted normal command execution.
  3. Server/client state drift caused an unexpected execution-path failure.
How to Fix It
1
Capture client and server logs for CR_NULL_POINTER, including host, port, TLS mode, and statement context.
2
Escalate recurring failures with reproducible traces and version/build details.
3
Collect server/client logs with request IDs and stack context for the failing call.
4
Retry once after confirming system health and dependency availability.
5
Track CR_NULL_POINTER 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
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