java.io.FileNotFoundException: antlr-2.7.7.jar (系统找不到指定的路径。)[待解决]

严重: Failed to destroy the filter named [struts2] of type [org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter]
java.lang.IllegalStateException: java.io.FileNotFoundException: E:\apache-tomcat-8.0.37\webapps\20170317-JavaEE-SSH\WEB-INF\lib\antlr-2.7.7.jar (系统找不到指定的路径。)
at org.apache.catalina.webresources.JarResourceSet.getArchiveEntry(JarResourceSet.java:123)
at org.apache.catalina.webresources.AbstractArchiveResourceSet.getResource(AbstractArchiveResourceSet.java:260)
at org.apache.catalina.webresources.StandardRoot.getResourceInternal(StandardRoot.java:281)
at org.apache.catalina.webresources.Cache.getResource(Cache.java:63)
at org.apache.catalina.webresources.StandardRoot.getResource(StandardRoot.java:216)
at org.apache.catalina.webresources.StandardRoot.getClassLoaderResource(StandardRoot.java:225)
at org.apache.catalina.loader.WebappClassLoaderBase.findResourceInternal(WebappClassLoaderBase.java:2626)
at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2463)
at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:859)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1302)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167)
at org.apache.struts2.dispatcher.Dispatcher.cleanup(Dispatcher.java:293)
at org.apache.struts2.dispatcher.ng.PrepareOperations.cleanupDispatcher(PrepareOperations.java:188)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.destroy(StrutsPrepareAndExecuteFilter.java:108)
at org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:312)
at org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:4733)
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5528)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:221)
at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:821)
at org.apache.catalina.startup.HostConfig.undeploy(HostConfig.java:1395)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1321)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1581)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:284)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:95)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1140)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1376)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1380)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1348)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.FileNotFoundException: E:\apache-tomcat-8.0.37\webapps\20170317-JavaEE-SSH\WEB-INF\lib\antlr-2.7.7.jar (系统找不到指定的路径。)
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:219)
at java.util.zip.ZipFile.<init>(ZipFile.java:149)
at java.util.jar.JarFile.<init>(JarFile.java:166)
at java.util.jar.JarFile.<init>(JarFile.java:103)
at org.apache.catalina.webresources.AbstractArchiveResourceSet.openJarFile(AbstractArchiveResourceSet.java:308)
at org.apache.catalina.webresources.JarResourceSet.getArchiveEntry(JarResourceSet.java:119)
... 29 more

我能说第二天我重启Eclipse就好了么？。。。。真心想把这个问题给弄清楚啊，居然没留下现场第二天就这样莫名其妙解决了，唉