submitting a file exception

Hi - I use the html:file to submit a file and get an exception which I have no idea whereit comes from... I tried and it dissapears when I remove the html:file element from the jsp... I am using tomcat 5, struts 1.1 and tiles, it might mutter... Did anyone ever had such a problem and has a solu

submitting a file exception

Hi - I use the html:file to submit a file and get an exception which I assume is coming from me using Tomcat on the same machine as the client, but I am not sure about that... Did anyone ever had such a problem and has a solution? Here the exception... (note the the "page:3" is a debugging info