jinzongnan

500 Servlet Exception
java.sql.SQLException: null,  message from server: "Host '192.168.131.52'
is blocked because of many connection errors.  Unblock with 'mysqladmin
flush-hosts'"
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:990)
        at com.mysql.jdbc.Connection.createNewIO(Connection.java:2544)
        at com.mysql.jdbc.Connection.<init>(Connection.java:1474)
        at com.mysql.jdbc.NonRegisterinjdwsiver.connect(NonRegisterinjdwsiver.java:264)