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Java图书答疑

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野草ks

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发表在Java图书答疑 2013-05-08

是否精华是否

版块置顶: 是否

老师，我什么都调试好了，可是怎么运行不了的呀，求解呀，，，，，我用的是SQL1005
下面是运行的错误提示，不懂呀，

java.lang.ClassNotFoundException: com.microsoft.jdbc.sqlserver.SQLServerDriver
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.mwq.dao.JDBC.<clinit>(JDBC.java:23)
at com.mwq.dao.BaseDao.selectSomeValue(BaseDao.java:66)
at com.mwq.dao.Dao.sUserNameOfNotFreeze(Dao.java:27)
at com.mwq.frame.LandFrame.<init>(LandFrame.java:166)
at com.mwq.DrinkeryManage.<init>(DrinkeryManage.java:20)
at com.mwq.DrinkeryManage$1.run(DrinkeryManage.java:42)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$400(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
java.sql.SQLException: No suitable driver found for jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=db_DrinkeryManage
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at com.mwq.dao.JDBC.getConnection(JDBC.java:33)
at com.mwq.dao.BaseDao.selectSomeValue(BaseDao.java:66)
at com.mwq.dao.Dao.sUserNameOfNotFreeze(Dao.java:27)
at com.mwq.frame.LandFrame.<init>(LandFrame.java:166)
at com.mwq.DrinkeryManage.<init>(DrinkeryManage.java:20)
at com.mwq.DrinkeryManage$1.run(DrinkeryManage.java:42)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$400(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at com.mwq.dao.BaseDao.selectSomeValue(BaseDao.java:68)
at com.mwq.dao.Dao.sUserNameOfNotFreeze(Dao.java:27)
at com.mwq.frame.LandFrame.<init>(LandFrame.java:166)
at com.mwq.DrinkeryManage.<init>(DrinkeryManage.java:20)
at com.mwq.DrinkeryManage$1.run(DrinkeryManage.java:42)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$400(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

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无语_mrkj

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2013-05-11

沙发

如果您使用的是SQL Server2005数据库，那么把
com.microsoft.jdbc.sqlserver.SQLServerDriver修改为com.microsoft.sqlserver.jdbc.SQLServerDriver
jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=db_DrinkeryManage修改为jdbc:sqlserver://127.0.0.1:1433;DatabaseName=db_DrinkeryManage

另外，数据库驱动包也需要换个一个文件的那个2005数据库驱动包。

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