MySQL 3140

This error occurs when a JSON text contains invalid characters, is not properly formatted, or contains invalid data types. It is part of the MySQL 3140 error code series.

How It Affects Your App

MySQL 3140 ER_INVALID_JSON_TEXT can have a significant impact on an application. It can prevent the application from properly parsing and interpreting JSON data, which can lead to unexpected results or errors. This can cause the application to crash or malfunction, resulting in a poor user experience. Additionally, it can lead to data loss or corruption, which can be difficult to recover from.

How To Fix

1. Check the error log for the MySQL 3140 error:
$ tail -f /var/log/mysql/error.log
2. Check the MySQL configuration file for any misconfigurations:
$ cat /etc/mysql/my.cnf
3. Check the MySQL server status to see if it is running:
$ mysqladmin status
4. Check the MySQL server variables to see if any of them are set incorrectly:
$ mysqladmin variables
5. Check the MySQL server process list to see if any queries are running for a long time:
$ mysqladmin processlist
6. Check the MySQL server connections to see if there are too many connections:
$ mysqladmin connections
7. Check the MySQL server memory usage to see if it is running out of memory:
$ mysqladmin memory
8. Check the MySQL server disk usage to see if it is running out of disk space:
$ mysqladmin disk
9. Check the MySQL server replication status to see if there are any replication issues:
$ mysqladmin replication
10. Use an automated database observability tool to monitor and fix the MySQL 3140 in question. Automated database observability tools can provide real-time insights into the performance and health of your database, allowing you to quickly identify and fix any issues that may arise. These tools can also provide detailed metrics and logs that can help you troubleshoot and diagnose any issues that may be causing the MySQL 3140 error.

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