Local Imagem - Servidor Jboss

public class GetImagensMail extends HttpServlet {
	
	private static final long serialVersionUID = 1L; 
    private static final String DESTINATION_DIR_PATH = "C:/pasta/";  
    private File destinationDir;  
       
	public void init(ServletConfig config) throws ServletException {  
        super.init(config);  
        destinationDir = new File(DESTINATION_DIR_PATH);  
        if (!destinationDir.isDirectory()) {  
            throw new ServletException(DESTINATION_DIR_PATH + " is not a directory");  
        }  
    } 
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		  String nome_arquivo = request.getParameter("nome_arquivo");
		  final  String caminho = DESTINATION_DIR_PATH+nome_arquivo;
		 
		  try {
		      File file = new File(caminho);
		     
		      if(!file.exists()){           
		        	System.err.println(" Não foi possivel encontrar o arquivo na url informada.");
		      }
		   
		         FileInputStream fis = new FileInputStream(file);
		         BufferedInputStream bis = new BufferedInputStream(fis);
		         byte[] bytes = new byte[bis.available()];
		         response.setContentType("image/jpg");
		         ServletOutputStream os = response.getOutputStream();
		         bis.read(bytes);
		         os.write(bytes);      
		      }
		  
	      catch(IOException e){
	          System.err.println(e.getMessage());
	      }
	      catch(Exception e){
	    	  System.err.println(e.getMessage());
	      }
	}

	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		Template template = new Template();
		
		PrintWriter out = response.getWriter();  
        response.setContentType("text/html");  
        
        DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();  
        fileItemFactory.setSizeThreshold(1 * 1024 * 1024); //1 MB  
        fileItemFactory.setRepository(tmpDir);  
        File file = null;
        String grupo = "";
  
        ServletFileUpload uploadHandler = new ServletFileUpload(fileItemFactory);  
        try {  
            List items = uploadHandler.parseRequest(request);  
            Iterator itr = items.iterator();  
            while (itr.hasNext()) {  
                FileItem item = (FileItem) itr.next();  
                if (item.isFormField()) {  
                	
                } else if(!item.isFormField()) { 
                    file = new File(destinationDir, item.getName());  
                    item.write(file);  
                    System.out.println("<br/>Arquivo gravado em: " + file.getPath());  
                }  
            }  
        } catch (FileUploadException ex) {  
            ex.printStackTrace();  
        } catch (Exception ex) {  
            ex.printStackTrace();  
        } 
	}

}