MYSQL- multi database host. MySQL client is not connected

[jagadeeshvidexcel]

Steps to reproduce

I have modified the apartment configuration to connect two different hosts. When active record get rollback. I got "MySQL client is not connected" error

/home/ubuntu/.rvm/gems/ruby-3.0.4@gemsetname/gems/mysql2-0.5.6/lib/mysql2/client.rb:151:in `_query': MySQL client is not connected (Mysql2::Error)
3.0.4 :009 >

Expected behavior

Should not disconnect MYSQL connection. Should return validation message.

System configuration

vendor: Amazon EC2 (ubuntu)
product: m5.xlarge

• Database: (mysql Ver 8.0.36-0ubuntu0.20.04.1 for Linux on x86_64 ((Ubuntu)).)

• Apartment version: ros-apartment (2.11.0)

• Apartment config (in config/initializers/apartment.rb or so):

Apartment.configure do |config| 
  config.use_schemas = false
  config.database_schema_file = nil
  config.with_multi_server_setup = true
  config.tenant_names = { tenant1: {
          adapter:  'mysql2',
          database: 'tenant1',
          password: 'override_password',
          username: 'appuser',
          host:     'RDS-1-URL'
        },
        tenant2: {
          adapter:  'mysql2',
          database: 'tenant2',
          username: 'appuser',
         password: 'override_password',
         host:   'RDS-2-URL'
        }
      }.with_indifferent_access 
end

• Rails (or ActiveRecord) version: activerecord (6.1.7.6)

• Ruby version: ruby 3.0.4p208 (2022-04-12 revision 3fa771dded) [x86_64-linux]

If got any solution. Kindly correct me.