使用Presto访问MySQL报错
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‘failureInfo’: ‘type’: ‘com.facebook.presto.spi.PrestoException’, ‘message’: ‘Could not create connection to database server. Attempted reconnect 3 times. Giving up.’, ‘cause’: ‘type’: ‘com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException’, ‘message’: ‘Could not create connection to database server. Attempted reconnect 3 times. Giving up.’
经排查发现MySQL所在服务器挂了，重启后解决
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