Failing package is: mysql-community-client-5.7.40-1.el7.x86_64 GPG Keys

warning: /var/cache/yum/x86_64/7/mysql57-community/packages/mysql-community-client-5.7.40-1.el7.x86_64.rpm: Header V4 RSA/SHA256 Signatur        e, key ID 3a79bd29: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql


The GPG keys listed for the "MySQL 5.7 Community Server" repository are already installed but they are not correct for this package.
Check that the correct key URLs are configured for this repository.


 Failing package is: mysql-community-client-5.7.40-1.el7.x86_64
 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

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 yum install mysql-community-server
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解决方法：需要禁掉GPG验证检查

yum -y install mysql-community-server --nogpgcheck