项目jar包问题

别人给的一个项目(已经是打成rar形式).需要放到测试服务器上,然后做压力测试.
部署后启动tomcat居然报错.

严重: Error in dependencyCheck
java.io.IOException: invalid header field
	at java.util.jar.Attributes.read(Attributes.java:389)
	at java.util.jar.Manifest.read(Manifest.java:182)
	at java.util.jar.Manifest.<init>(Manifest.java:52)
	at org.apache.catalina.util.ExtensionValidator.validateApplication(ExtensionValidator.java:149)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4529)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1079)
	at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1002)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:506)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1315)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
	at org.apache.catalina.core.StandardService.start(StandardService.java:525)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
2011-9-8 10:32:18 org.apache.catalina.core.StandardContext start

真是见鬼,就换了个另一版本的应用而已.jar一个也没少.
后来查证,原来是jar 部分已经损坏,无法用rar尝试打开.无聊的问题~