This error is usually caused by the MySQL server being unable to write a communication packet, causing the connection to be interrupted. This could be due to some of the following reasons:
Query timeout: If a query takes a long time to complete, it may cause an error that the MySQL server cannot write communication packets. You can try to optimize the query or increase the query timeout.
Insufficient memory: This error can occur if the MySQL server does not have enough memory to process the query. You can try to increase the memory of the server or optimize the query to reduce the memory usage.
Network connection issues: An unstable network connection or insufficient bandwidth may cause communication packet loss or delays. You can try to optimize your network connection or increase the bandwidth to resolve this issue.
MySQL configuration issues: This error can occur if MySQL is not configured correctly. You can check some parameters in the MySQL configuration file, such as max_allowed_packet, to make sure they are configured correctly.
To resolve this error, you can try the following:
Increase the value of the max_allowed_packet parameter: The max_allowed_packet parameter specifies the maximum packet size that MySQL allows to send to the server. If the packet size exceeds this value, Got an error writing communication packets error may occur. You can try increasing the value of this parameter, such as setting it to 64M, to solve the problem:
max_allowed_packet=64M
You can add this line in your MySQL configuration file, e.g. /etc/my.cnf, and restart the MySQL service for the changes to take effect.
Optimizing Queries: If a query takes a long time to complete, this error can be caused. You can try to optimize the query to reduce the query time, such as adding an index or optimizing the query statement. Also, you can try increasing the query timeout, e.g. by increasing the value of the wait_timeout parameter to a higher value:
wait_timeout=600
This will increase the query timeout to 10 minutes.
Check your network connection: An unstable network connection or insufficient bandwidth can cause this error. You could try checking your network connection to make sure it's stable, and your bandwidth usage to make sure it's adequate. In addition, you can also try to optimize the network configuration of the MySQL server, such as increasing the value of the net_read_timeout and net_write_timeout parameters:
net_read_timeout=120
net_write_timeout=120
This will increase the network read and write timeout to 2 minutes.
Check MySQL configuration: If MySQL is not configured correctly, this error may be caused. You can check some parameters in the MySQL configuration file, such as max_allowed_packet, wait_timeout, net_read_timeout, and net_write_timeout, to make sure they are configured correctly.
Also, you can try restarting the MySQL service to reload the configuration file, and check the MySQL logs for other error messages.
