java 高手请进 ~ 环境是weblogic+ struts+oracle

Question

struts 上传时侯  报错 ，
请高手 指点 ：
<Error> <HTTP> <BEA-101020> <[ServletContext(i
d=1343712327,name=yyko,context-path=)] Servlet failed with Exception
java.net.ProtocolException: EOF after reading only: '0' of: '3846' promised byte
s, out of which at least: '0' were already buffered
        at weblogic.servlet.internal.PostInputStream.complain()V(PostInputStream
.java:91)
        at weblogic.servlet.internal.PostInputStream.read([BII)I(PostInputStream
.java:172)
        at weblogic.servlet.internal.ServletInputStreamImpl.read([BII)I(ServletI
nputStreamImpl.java:180)
        at weblogic.servlet.internal.ServletRequestImpl.mergePostParams(Z)V(Serv
letRequestImpl.java:1257)
        at weblogic.servlet.internal.ServletRequestImpl.parseQueryParams(Z)V(Ser
vletRequestImpl.java:1124)
        at weblogic.servlet.internal.ServletRequestImpl.parseQueryParams()V(Serv
letRequestImpl.java:1117)
        at weblogic.servlet.internal.ServletRequestImpl.getParameterNames()Ljava
.util.Enumeration;(ServletRequestImpl.java:1353)
        at org.apache.struts.util.RequestUtils.populate(Ljava.lang.Object;Ljava.
lang.String;Ljava.lang.String;Ljavax.servlet.http.HttpServletRequest;)V(RequestU
tils.java:1225)
        at org.apache.struts.action.RequestProcessor.processPopulate(Ljavax.serv
let.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;Lorg.apache.
struts.action.ActionForm;Lorg.apache.struts.action.ActionMapping;)V(RequestProce
ssor.java:821)
        at org.apache.struts.action.RequestProcessor.process(Ljavax.servlet.http
.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(RequestProcessor.
java:254)
        at org.apache.struts.action.ActionServlet.process(Ljavax.servlet.http.Ht
tpServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:1
482)
        at org.apache.struts.action.ActionServlet.doPost(Ljavax.servlet.http.Htt
pServletRequest;Ljavax.servlet.http.HttpServletResponse;)V(ActionServlet.java:52
5)
        at javax.servlet.http.HttpServlet.service(Ljavax.servlet.http.HttpServle
tRequest;Ljavax.servlet.http.HttpServletResponse;)V(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(Ljavax.servlet.ServletRequest;