package com.test; import java.io.Serializable;
public class Teacher implements Serializable
125217 [ajp-8009-1] ERROR com.danga.MemCached.MemCachedClient - ++++ exception thrown while trying to get object from cache for key: jinghuacom_teacher_idCache_506
125217 [ajp-8009-1] ERROR com.danga.MemCached.MemCachedClient - com.jinghua.Teacher; local class incompatible: stream classdesc serialVersionUID = 1263891319841417768, local class serialVersionUID = -6014913494830067114
java.io.InvalidClassException: com.jinghua.Teacher; local class incompatible: stream classdesc serialVersionUID = 1263891319841417768, local class serialVersionUID = -6014913494830067114
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:617)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1620)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1515)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1769)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at com.schooner.MemCached.ObjectTransCoder.decode(Unknown Source)
at com.schooner.MemCached.AscIIClient.get(Unknown Source)
at com.schooner.MemCached.AscIIClient.get(Unknown Source)
at com.schooner.MemCached.AscIIClient.get(Unknown Source)
at com.danga.MemCached.MemCachedClient.get(Unknown Source)
at com.jinghua.memcache.MemCachedManager.get(MemCachedManager.java:372)
at com.jinghua.memcache.MemCachedImpl.get(MemCachedImpl.java:129)
at com.jinghua.TeacherManager.getById(TeacherManager.java:342)
at org.apache.jsp.a2d0m2i0n.course.courseList_jsp._jspService(courseList_jsp.java:547)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at de.javakaffee.web.msm.SessionTrackerValve.invoke(SessionTrackerValve.java:126)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:450)
at org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:403)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1778)
at java.lang.Thread.run(Thread.java:724)
解决方法： 可以加上 序列化 或者 其他实体都不加的话就不加