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mysqlsh often reports “Lost connection” after connecting
Posted by: sky sky
Date: December 09, 2020 08:24PM

Hi all:
I installed mysql-server and mysql-shell on db3 node. After starting mysqld normally, use the mysqlsh command (mysqlsh -uicroot -h db3 --py --cluster) to connect.
After a short period of inactivity, the command (cluster.status()) will prompt: SystemError: RuntimeError: Cluster.status : Lost connection to MySQL server during query.
If executed again, it will prompt: SystemError: RuntimeError: Cluster.status: MySQL server has gone away
This is still the case after using “\reconnect” to reconnect. It can be executed normally only after logging out and logging in again

It has been confirmed that the firewall is closed, mysql-server is normal, and the connection is normal through the mysql command

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mysqlsh often reports “Lost connection” after connecting
December 09, 2020 08:24PM

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