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File upload & exception handling - major bug?

 
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Using the Struts file upload example application has anybody noticed what happens if an error occurs?

e.g if an exception is thrown you get -

////////////////////////////////////////////////////////////////////////////
java.lang.ClassCastException
at org.apache.struts.action.ActionServlet.getRequestProcessor(ActionServlet.java:855)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
...............
////////////////////////////////////////////////////////////////////////////

Is there anyway around this? how do other people handle exceptions when file uploading - surley I'm not the only person in the world to have come across this, am I?

Thanks

Harry
 
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Where is this example that you are talking abt. Would help if you have given some code here.
 
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