File upload after deployment

hi everbody,
i had deployed the file upload code in unix server and the page is successfully opening after attaching functions and menus. Now the page has only messagefileupload type item for file upload. so please please can anybody tell how to upload the file to a specific directory. my code i have used is in application module is like this but after selecting a file and click submit the file is not being uploaded.
String path= "/u03/prodcomn/temp/"+fileName;
if(testprofile != null){
System.out.println("path.."+path);
FileOutputStream fileOutput = new FileOutputStream(path);
fileOutput.write(blobIn.toByteArray());
fileOutput.close();
}

the above code is perfectly correct and it is working , the silly thing that i didnt notice is in winscp i didnt refresh and see after file upload in the page.
i had wasted whole one day for this.
thanks
prabhakaranp

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