It is possible to determine the access path for the file in Function

I have a 'Java WEB' application where I am using a function that opens the .pdf file I determine, however it only opens .pdf that are in the same folder where my project is saved, I have already tried to change my String variable that calls the .pdf file and put the Access path, for example, " C: \ test.pdf " but it never finds the file if I put the path together, is it possible to change the access path of the files?

<%
        String arquivo = "";
        String i = "";

        try {
            if (request.getParameter("nomeArq").contains("null")){
                arquivo = request.getAttribute("nomeArquivo").toString();
            }else{
                arquivo = request.getParameter("nomeArq");
            }
        } catch (Exception e) {
            arquivo = request.getAttribute("nomeArquivo").toString();
        }
        try {
            i = request.getParameter("numeroPag").toString();
        } catch (Exception a) {
            i = request.getAttribute("pagina").toString();
        }


    %>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script><scripttype="text/javascript">
        $(function () {
            window.onload = function abrirPdf() {
                var iframe = $("#LoteSlips");
                iframe.attr("src", '<%=arquivo%>_ERRO.pdf#zoom=200&page=<%=i%>'); 
            };
        });
    </script>