设计器定义数据连接失败，数据库工具能正常访问、ip端口账号密码都没填错，但就是设计器连接失败，有没有大佬知道什么原因的java.sql.SQLException: Unable to load authentication plugin 'caching_sha2_password'.com.mysql.jdbc.SQLError.createSQLException(SQLError.java.868)com.mysql.jdbc.SQLError.createSQLException(SQLError.java.864)com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java.1746)com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java.1226)com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java.2191)com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java.2222)com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java.2017)com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java.779)com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java.47)sun.reflect.GeneratedConstructorAccessor224.newInstance(null.-1)sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java.45)java.lang.reflect.Constructor.newInstance(Constructor.java.423)com.mysql.jdbc.Util.handleNewInstance(Util.java.425)com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java.389)com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java.330)com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java.1461)com.fr.third.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java.1525)com.fr.third.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java.2165)
