swfupload 报错 Unable to parse request

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swfupload 报错 Unable to parse request0

报的是流丢失错误,没当报了这个错误后,
通过struts 访问改页面时 action 就会找不到
求解答啊!谁遇到过帮忙看一下啊.
我认为是报错后直接修改了action的调整路径,再去访问该action就找不到;
但是不是知道对不对怎么去验证该怎么解决?
或者真正的问题是什么啊求解答啊!

ERROR 2012-06-06 19:16:26,593 [CommonsLogger.java,27] - Unable to parse request
org.apache.commons.fileupload.FileUploadBase$IOFileUploadException: Processing of multipart/form-

data request failed. Stream ended unexpectedly
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:367)
at org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest.parse

(JakartaMultiPartRequest.java:93)
at org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper.<init>

(MultiPartRequestWrapper.java:75)
at org.apache.struts2.dispatcher.Dispatcher.wrapRequest(Dispatcher.java:663)
at org.apache.struts2.dispatcher.FilterDispatcher.prepareDispatcherAndWrapRequest

(FilterDispatcher.java:327)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:367)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:102)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal

(OpenSessionInViewFilter.java:198)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
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:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process

(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.commons.fileupload.MultipartStream$MalformedStreamException: Stream

ended unexpectedly
at org.apache.commons.fileupload.MultipartStream$ItemInputStream.makeAvailable

(MultipartStream.java:983)
at org.apache.commons.fileupload.MultipartStream$ItemInputStream.read(MultipartStream.java:887)
at java.io.InputStream.read(InputStream.java:85)
at org.apache.commons.fileupload.util.Streams.copy(Streams.java:94)
at org.apache.commons.fileupload.util.Streams.copy(Streams.java:64)
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:362)
... 24 more
ERROR 2012-06-06 19:16:26,593 [CommonsLogger.java,23] - Processing of multipart/form-data

request failed. Stream ended unexpectedly