i want to give the path of files which are using in servlet but it is giving me error (java.lang.NullPointerException) bcoz of invalid path plz help me out with the path Here is MyCode := public static Document getDOM(String test) throws SAXException,ParserConfigurationException,IOException, URISyntaxException{ Document dom=null; File quizFile=null; quizFile=new File("/home/thakurs/public_html/"+test+"-quiz-1.xml"); System.out.println("Quiz File Absolute Path "+quizFile.getAbsolutePath());