问题描述
严重:Servlet.service()forservletFileUploadthrewexceptionjava.lang.NoClassDefFoundError:org/apache/commons/io/IOUtilsatorg.apache.commons.fileupload.util.Streams.copy(Streams.java:123)atorg.apache.commons.fileupload.util.Streams.copy(Streams.java:70)atorg.apache.commons.fileupload.MultipartStream.readBodyData(MultipartStream.java:593)atorg.apache.commons.fileupload.MultipartStream.discardBodyData(MultipartStream.java:617)atorg.apache.commons.fileupload.MultipartStream.skipPreamble(MultipartStream.java:634)atorg.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.findNextItem(FileUploadBase.java:1023)atorg.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:1003)atorg.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:310)atorg.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:334)atorg.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:115)atFileUpload.FileUpload.doPost(FileUpload.java:37)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:710)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:803)atorg.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)atorg.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)atorg.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)atorg.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)atorg.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)atorg.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)atorg.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)atorg.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)atorg.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:856)atorg.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565)atorg.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509)atjava.lang.Thread.run(UnknownSource)请问我这个哪里出错了？谢谢
解决方案
解决方案二：
最大的错误是发到net版块了