hello everyone, thanks for all the gret ideas the u gave us here.
i have a web application that is deployed in tomcat in this application i have an upload component in my web interface.the problem that when i upload a text file the aix system add some characters in the file the cause of that that when i upload a file i think aix transfer this file in binary mode.

i deployed my application in tomcat with windows system and the upload goes fine.
my application use jsf and i'm using tomcat 6.0.20.

any help ?