Today I am trying to restore one of MySQL dump into my development database.
While I executing the mysql -uroot -p XXXX < XXXX.sql, the restoration show me the error of ”ERROR 2006 (HY000) at line 3051: MySQL server has gone away“.
Then I double check on the database that I restore, I found that the action terminated in the middle & some of the tables & data is not restored.
I googled a while & found the solution.
The problem occur due to MySQL default installation setting in my.ini. the default value fr ”max_allowed_packet” is 1M. This is the problem causing the restoration of the database terminated.
So I go to my.ini that located in “C:\Program Files\MySQL\MySQL Server 5.0” & add in the following value in the [mysqld] (make sure that you add in at the mysqld session, if not it will not take effect) session.
max_allowed_packet = 32M
After completed, restart your MySQL services & it should be working. Lastly, you may also checking your MySQL setting by following steps:
- Login into MySQL using “mysql -uroot -p“
- Type the following command to check your max packet allow size
“show variables like ‘max_allowed_packet’;“
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