tomcat启动错误代码：

严重: IOException while loading persisted sessions: java.io.EOFException
java.io.EOFException
	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2280)
	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2749)
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:779)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:279)
	at org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
	at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:362)
	at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
	at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
	at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4396)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041)
	at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:519)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
	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)
2015-6-18 10:42:15 org.apache.catalina.session.StandardManager start
严重: Exception loading sessions from persistent storage
java.io.EOFException
	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2280)
	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2749)
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:779)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:279)
	at org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
	at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:362)
	at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
	at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
	at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4396)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1041)
	at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:964)
	at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)
	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
	at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
	at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
	at org.apache.catalina.core.StandardService.start(StandardService.java:519)
	at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
	at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
	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)

 错误的原因：EOFException表示输入过程中意外地到达文件尾或流尾的信号,导致从session中获取数据失败。这是由于tomcat上次非正常关闭时有一些活动session被持久化（表现为一些临时文件），在重启时，tomcat尝试去恢复这些session的持久化数据但又读取失败造成的。此异常不影响系统的使用。

删除tomcat以下目录文件即可，如果不知道是哪个项目引起的.就把Catalina目录下的所有文件删除。

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解决方案来源：http://blog.csdn.net/redarmy_chen/article/details/17756725