Jfinal自带的UploadFile上传图片问题！

Question

视频学习jFinal ,学习使用Jfinal上传文件到项目中！

页面上

<form method="post" action="<%=basePath%>ddbox/add" enctype="multipart/form-data">
  <input type="file" name = "img" />
  <button type="submit" id="save">保存</button>
</form>

后台上

UploadFile upload = getFile("img");

结果出现错误：

[ERROR]-[Thread: http-8081-1]-[com.jfinal.core.ActionHandler.handle()]: /ddbox/add
java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
	at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:61)
	at com.dxcm.interceptor.LoginCheckInterceptor.intercept(LoginCheckInterceptor.java:12)
	at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:51)
	at com.jfinal.ext.interceptor.SessionInViewInterceptor.intercept(SessionInViewInterceptor.java:44)
	at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:51)
	at com.dxcm.interceptor.GlobalInterceptor.intercept(GlobalInterceptor.java:21)
	at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:51)
	at com.jfinal.ext.interceptor.SessionInViewInterceptor.intercept(SessionInViewInterceptor.java:44)
	at com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:51)
	at com.jfinal.core.ActionHandler.handle(ActionHandler.java:73)
	at com.jfinal.core.JFinalFilter.doFilter(JFinalFilter.java:72)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	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 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.http11.Http11Processor.process(Http11Processor.java:861)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.reflect.InvocationTargetException
	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 com.jfinal.core.ActionInvocation.invoke(ActionInvocation.java:55)
	... 22 more
Caused by: java.lang.NoClassDefFoundError: com/oreilly/servlet/multipart/FileRenamePolicy
	at com.jfinal.core.Controller.getFiles(Controller.java:677)
	at com.jfinal.core.Controller.getFile(Controller.java:687)
	at com.dxcm.controller.DdBoxController.add(DdBoxController.java:83)
	... 27 more
Caused by: java.lang.ClassNotFoundException: com.oreilly.servlet.multipart.FileRenamePolicy
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	... 30 more

求解呀！

Answer 1

天呐咯，原来就是少了一个cos的jar包

Answer 2

在实际生产环境中 服务器运行效果应当如此

Answer 3

引用来自“xwalker”的评论

你引入COS的jar包了吗

Answer 4

引用来自“xwalker”的评论

你引入COS的jar包了吗

Answer 5

add("/admin", AdminController.class); 这个是configRoute方法的内容

Answer 6

你的configRoute代码贴出来看看

Answer 7

你引入COS的jar包了吗