tomcat启动报错：IOException while loading persisted sessions: java.io.InvalidClassException: [Ljava.lang.

当遇到Tomcat启动报IOException加载persisted sessions异常时，通常由于非正常关闭服务引起。解决方法包括删除Session.ser文件，若在tomcat目录下找不到，可尝试在Eclipse的工作空间目录下寻找并删除该文件，例如：E:twork.metadata.pluginsorg.eclipse.wst.server.core mp0workCatalinalocalhosttmisorg，删除后重新部署项目并启动Tomcat，问题通常能得到解决。

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报错信息:

严重: IOException while loading persisted sessions: java.io.InvalidClassException: [Ljava.lang.StackTraceElement;; no valid constructor
java.io.InvalidClassException: [Ljava.lang.StackTraceElement;; no valid constructor
	at java.io.ObjectStreamClass$ExceptionInfo.newInvalidClassException(ObjectStreamClass.java:150)
	at java.io.ObjectStreamClass.checkDeserialize(ObjectStreamClass.java:768)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1772)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
	at java.util.ArrayList.readObject(ArrayList.java:771)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
	at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
	at org.apache.catalina.session.