Java response content returns instead of < or > < >

I have a little problem: I'm writing to response content of the file and return it to the client as an ajax response. But there occurs html substitution: of `>` to `>` etc... What i have to do to make this substitution off ? res.setHeader( "Cache-Control", "must-revalidate, post-check=0, pre-check=0" ); res.setHeader( "Pragma", "public" ); res.setContentType( "text/html" ); TIA update // import com.ibm.useful.http.PostData; PostData pd = new PostData( req ); final FileData data; try { data = pd.getFileData( "sqlFile" ); ByteArrayOutputStream buf = new ByteArrayOutputStream(); for ( byte b : data.getByteData() ) { buf.write( b ); } res.getWriter().print( buf.toString() ); } i watched `buf.toString()` through debugger. it's ok there. substitution goes further. but where...
Where's the code you use to write the file contents to the response?

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