org.apache.commons.fileupload.FileUploadException: Read timed out

[sjzzjm]

求助，程序用的框架为struts2+hibernate+spring,运行环境为weblogic，用excel把数据导入数据库，如果excel中行数比较多（40000行左右），程序异常，后台报
org.apache.commons.fileupload.FileUploadException: Read timed out
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:381)
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 weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3393)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2140)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2046)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1366)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:172)
Caused by: java.net.SocketTimeoutException: Read timed out
。。。。。。。

错误，但是行数少的时候没有问题，（20000行以下没问题，40000行有时有问题，有时没有问题）。我看了后台，数据已经导入到数据库中了，action的最后一条语句是插入日志，日志也插入了。就是报异常，不知道怎么回事。哪位大哥大姐遇到过这样的问题，怎么解决的，望不吝告知，先谢过了。