Failed to create new connections on startup. Attempt 0 of 3
java.sql.SQLException: null, message from server: "Host 'MICROSOF-E1FB29' is not allowed to connect to this MySQL server"
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:946)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1053)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2743)
at com.mysql.jdbc.Connection.(Connection.java:1553)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
你在装mysql时选择了不允许进行远程连接的结果。重新配置一下你mysql的服务器参数后再试试