java.sql.SQLException: java.lang.IllegalAccessError: class sun.reflect.GeneratedConstructorAccessor2 cannot access its superclass sun.reflect.ConstructorAccessorImpl

   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964)

异常如上: 启动方式 改为 JFinal.start("src/main/webapp", 80, "/"); 则可以正常启动