java损坏的表单数据：过早结束

Question

我正在尝试使用FileReference类上载文件。文件>；2MB全部正常工作，但文件<；2MB导致此错误：

"java.io.IOException: Corrupt form data: premature ending"

在服务器上，我正在使用com。奥雷利。servlet包来处理请求

我已经多次使用这个软件包成功地处理从flex上传的文件，但由于某种原因，现在我遇到了这个问题

以下是堆栈跟踪以获取更多信息：

java.io.IOException: Corrupt form data: premature ending
    at com.oreilly.servlet.multipart.MultipartParser.<init>(MultipartParser.java:205)
    at com.oreilly.servlet.MultipartRequest.<init>(MultipartRequest.java:222)
    at com.oreilly.servlet.MultipartRequest.<init>(MultipartRequest.java:173)
    at com.mydomain.FileUploadServlet.doPost(FileUploadServlet.java:46)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:414)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)