MySQL Got an error reading communication packets

 Possible reasons for the "Got an error reading communication packets" messages:

Deploying a new application or making changes to an existing application.

Reducing the value one of the following timeout options: interactive_timeout, net_read_timeout, net_write_timeout, wait_timeout.

Increasing the error log verbosity:

To log_error_verbosity = 3 in MySQL 5.7 and later.

To log_warnings = 2 in MySQL 5.6 and earlier.

Upgrading to MySQL Server 5.7.

log_error_verbosity

Property Value

Command-Line Format --log-error-verbosity=#

System Variable log_error_verbosity

Scope Global

Dynamic Yes

SET_VAR Hint Applies No

Type Integer

Default Value (>= 8.0.4) 2

Default Value (<= 8.0.3) 3

Minimum Value 1

Maximum Value 3

$ mysql --login-path=root -e "show variables like '%log_error_verbosity%';"
+---------------------+-------+
| Variable_name       | Value |
+---------------------+-------+
| log_error_verbosity | 3     |
+---------------------+-------+
mysql> set global log_error_verbosity=2;
Query OK, 0 rows affected (0.00 sec)

mysql> show variables like 'log_error_verbosity';
+---------------------+-------+
| Variable_name       | Value |
+---------------------+-------+
| log_error_verbosity | 2     |
+---------------------+-------+
1 row in set (0.00 sec)