连接sqlserver时报错

[Corinna2010]

已经是2.0版本的jdbc驱动，是什么原因
Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
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.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at s2jsp.sg.ch03.ConnectionManager.getConnection(ConnectionManager.java:15)
at s2jsp.sg.ch03.NewsFirstTitleDB2.main(NewsFirstTitleDB2.java:19)

[牛叔]

还是版本不对啊

[madFatso]

myeclipse的编译环境和tomcat的jre版本不一致导致的 修改工程jre system lib
sqljdbc.jar sql2000

sqljdbc4.jar 2005 2008

[closewbq]

很明显的错误，编译版本不一致

[hyx1314LCJ]

很明显是没有main函数！！即使加了main函数，点有些键会抛出异常！！

[liang__]

编译版本不一致