问题描述 strut2+spring3+hibernate4 sessionFactory报错,是怎么回事? 1C ----------------------junit--------------------------------------------------org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDao': Injection of auto
问题描述 ubuntu 系统下运行android虚拟机报错如下,怎么回事呢 Starting emulator for AVD 'test' X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 154 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerStr
问题描述 android报错真的不知道怎么回事,急求大神解释 ,明天要完成任务的 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mymail/com.example.mymail.FeedbackShow}: android.database.sqlite.SQLiteException: no such table: feedbacklist (code 1): while comp
问题描述 NullPointerException报错是怎么一回事? public class PassengerFlight extends Flight { private int numSold; private int seat; private Person[] passengers; public PassengerFlight(String num, String city1, String city2, Time departure, int length, int seat)