HomeBrandsMySQLConnector / Client Librarycr_no_data
M
cr_no_data
Moderate
MySQL · Connector / Client Library
MySQL client error 2051: NO DATA.
Quick Answer
Error code CR_NO_DATA on your MySQL Connector / Client Library means: MySQL client error 2051: NO DATA.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
MYSQL-CLIMYSQL-CONNECTOR-CMYSQL-CONNECTOR-NODEMYSQL-CONNECTOR-PYMYSQL-SHELLMYSQL-WB
Likely Causes
  1. MySQL client emitted CR_NO_DATA during connection/statement handling.
  2. Statement/result lifecycle state was invalid for the attempted fetch/read step.
  3. Result metadata or packet framing did not match what the client expected.
How to Fix It
1
Capture client and server logs for CR_NO_DATA, including host, port, TLS mode, and statement context.
2
Reduce payload size or fetch window, then retest memory and truncation paths.
3
Align connector/client version with server expectations for metadata handling.
4
Validate client packet/result handling and statement lifecycle sequencing.
5
Track CR_NO_DATA 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
CR_UNKNOWN_ERRORCR_SOCKET_CREATE_ERRORCR_CONNECTION_ERRORCR_CONN_HOST_ERRORCR_IPSOCK_ERROR
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