Need Help --- Response XML Tag Value

[Manikandan Sundaramoorthy]

 <?xml version="1.0"?>
<service>
<information>
<Return_Msg>Hai</Return_Msg>
</information>
</service>

This is my response Xml file i need to read the "Return_Msg" tag value(Hai)

I'm trying with below code but its returning NullPointerException

        try {
            URL url = new URL(requestUrl.toString());
            BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
            String inputLine;
 //           System.out.println("-----RESPONSE START-----");
            while ((inputLine = in.readLine()) != null) {
               System.out.println(inputLine);
       }
            in.close();
 //           System.out.println("-----RESPONSE END-----");

DocumentBuilderFactory factory =DocumentBuilderFactory.newInstance();
DocumentBuilder db = factory.newDocumentBuilder();
InputSource inStream = new InputSource();
inStream.setCharacterStream(new StringReader(inputLine));
Document doc = db.parse(inStream);

//Document doc = docBuilder.parse (new File(inputLine));
// normalize text representation
doc.getDocumentElement ().normalize ();

NodeList listOfPersons = doc.getElementsByTagName("Information");
int totalPersons = listOfPersons.getLength();

for(int s=0; s<listOfPersons.getLength() ; s++){


Node firstPersonNode = listOfPersons.item(s);
if(firstPersonNode.getNodeType() == Node.ELEMENT_NODE){


Element firstPersonElement = (Element)firstPersonNode; 

//-------
NodeList firstNameList = firstPersonElement.getElementsByTagName("Return_Msg");
Element firstNameElement = (Element)firstNameList.item(0);

NodeList textFNList = firstNameElement.getChildNodes();
System.out.println("Return Msg" + ((Node)textFNList.item(0)).getNodeValue().trim());
}//end of if clause
}//end of for loop with s var
     
            
        }  catch (Exception ex) {
ex.printStackTrace();
}

i don't know how to parse the xml tag please help me

[Campbell Ritchie]

XML is discussed on a different forum, but NullPointerExceptions here.

Please go through the stack trace and work out which object is null. It is impossible to solve that problem without the stack trace.