File UpLoad

[Byomakesh Parida <bp...@teomedia.com>]

Hi,
 i am facing the problem when i used to upload the files. when i am passing
the parameter to the form (enctype="multipart/form-data", it gives the error
like

500 Internal Server Error
/mediaman/saveIconFileUpLoadAction.do:

javax.servlet.ServletException: BeanUtils.populate
java.lang.IllegalArgumentException: argument type mismatch
	at java.lang.reflect.Method.invoke(Native Method)
	at
org.apache.struts.util.PropertyUtils.setSimpleProperty(PropertyUtils.java:82
4)
	at
org.apache.struts.util.PropertyUtils.setNestedProperty(PropertyUtils.java:75
5)
	at org.apache.struts.util.PropertyUtils.setProperty(PropertyUtils.java:781)
	at org.apache.struts.util.BeanUtils.populate(BeanUtils.java:563)
	at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:333)
	at
org.apache.struts.action.ActionServlet.processPopulate(ActionServlet.java:18
05)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1416)
	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:481)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:772)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:865)
	at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1013)
	at allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:925)
	at
allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.jav
a:88)
	at allaire.jrun.servlet.JRunSE.service(JRunSE.java:1131)
	at allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:330)
	at allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:354)
	at allaire.jrun.ThreadPool.run(ThreadPool.java:267)
	at allaire.jrun.WorkerThread.run(WorkerThread.java:74)

where as i hava used the populate method properly.
can anybody help me in this case.

cheers
Byomakesh