tomcat启动问题，帮帮忙啊！

[haifengbin1989]

Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [org.androidpn.server.console.controller.NotificationController]: Constructor threw exception; nested exception is java.lang.UnsupportedClassVersionError: Bad version number in .class file
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:115)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:61)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:877)
... 63 more
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)

我把别处的项目拷到我本地计算机上，项目编译版本和myeclipse6.5中的JDK都改成了5.0，还是说版本有错误！我使用的服务器是tomcat5.5，请各位帮帮忙啊！