Question

java.lang.NoClassDefFoundError: org/springframework/web/multipart/MultipartR

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet dispatcherServlet threw exception
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
java.lang.Thread.run(Unknown Source)

root cause

java.lang.NoClassDefFoundError: org/springframework/web/multipart/MultipartResolver
java.lang.Class.getDeclaredMethods0(Native Method)
java.lang.Class.privateGetDeclaredMethods(Unknown Source)
java.lang.Class.getDeclaredMethods(Unknown Source)
java.beans.Introspector$1.run(Unknown Source)
java.security.AccessController.doPrivileged(Native Method)
java.beans.Introspector.getPublicDeclaredMethods(Unknown Source)
java.beans.Introspector.getTargetMethodInfo(Unknown Source)
java.beans.Introspector.getBeanInfo(Unknown Source)
java.beans.Introspector.getBeanInfo(Unknown Source)
org.springframework.beans.CachedIntrospectionResults.<init>(CachedIntrospectionResults.java:220)
org.springframework.beans.CachedIntrospectionResults.forClass(CachedIntrospectionResults.java:144)
org.springframework.beans.BeanWrapperImpl.getCachedIntrospectionResults(BeanWrapperImpl.java:252)
org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:798)
org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:651)
org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:78)
org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:63)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:118)
javax.servlet.GenericServlet.init(GenericServlet.java:211)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
java.lang.Thread.run(Unknown Source)

Answer 1

缺少spring的jar包，将jar包复制到WEB-INF/lib目录，如果是spring2.5以前，只要spring.jar,如果spring2.5以后，需要spring-web.jar，spring-webmvc.jar等等