Bonjour,

lorseque je veux executer mon code je me retrouve avec l'erreur suivante :

Exception in thread "main" java.lang.NullPointerException
at UAC.creerRegister(UAC.java:93)
at UAC.main(UAC.java:135)
La ligne 93 correspond a :
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SipURI fromAddress =addressFactory.createSipURI(fromName,fromSipAddress);
je ne sais vraiment pas quoi faire.

Pourriez vous m'aider s'il vous plait ?

voici mon code :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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import java.text.ParseException;
import java.util.ArrayList;
import java.util.Properties;
 
import javax.sip.ClientTransaction;
import javax.sip.Dialog;
import javax.sip.DialogTerminatedEvent;
import javax.sip.IOExceptionEvent;
import javax.sip.InvalidArgumentException;
import javax.sip.PeerUnavailableException;
import javax.sip.RequestEvent;
import javax.sip.ResponseEvent;
import javax.sip.SipFactory;
import javax.sip.SipListener;
import javax.sip.SipProvider;
import javax.sip.SipStack;
import javax.sip.TimeoutEvent;
import javax.sip.TransactionTerminatedEvent;
import javax.sip.address.Address;
import javax.sip.address.AddressFactory;
import javax.sip.address.SipURI;
import javax.sip.header.CSeqHeader;
import javax.sip.header.CallIdHeader;
import javax.sip.header.ContactHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.HeaderFactory;
import javax.sip.header.MaxForwardsHeader;
import javax.sip.header.ToHeader;
import javax.sip.header.ViaHeader;
import javax.sip.message.MessageFactory;
import javax.sip.message.Request;
 
 
 
 
public class UAC implements SipListener{
 
	private SipFactory sipFactory;
	private static SipStack sipStack;
	private static SipProvider sipProvider;
	private static AddressFactory addressFactory;
	private static MessageFactory messageFactory;
	private static HeaderFactory headerFactory;
	private ContactHeader contactHeader;
	private ClientTransaction inviteTid;
	private Dialog dialog;
	private static String IP;
	private static String transport = "udp";
	private String USER_AUTH="862088805";
	private String PASS_AUTH="36flip";
	private static String realm="voip.brujula.net";
	private String monPseudo="862088805";
	static long regco = 1;
 
	public void init() throws ParseException, InvalidArgumentException {
 
		sipFactory = SipFactory.getInstance();
		sipFactory.setPathName("gov.nist");
		Properties properties = new Properties();
		String peerHostPort = "65.110.41.100:5070";
		properties.setProperty("javax.sip.OUTBOUND_PROXY", peerHostPort + "/"+ transport);
		properties.setProperty("javax.sip.STACK_NAME", "Vincent");
		properties.setProperty("gov.nist.javax.sip.CACHE_CLIENT_CONNECTIONS","false");
 
		try {
			// Create SipStack object
			sipStack = sipFactory.createSipStack(properties);
			System.out.println("createSipStack " + sipStack);
		} catch (PeerUnavailableException e) {
			// could not find
			// gov.nist.jain.protocol.ip.sip.SipStackImpl
			// in the classpath
			e.printStackTrace();
			System.err.println(e.getMessage());
			System.exit(0);
		}
 
 
	}
 
	public static Request creerRegister() throws ParseException, InvalidArgumentException{
 
		String fromName = "862088805";
		String fromSipAddress = "voip.brujula.net";
		String fromDisplayName = "862088805";
 
		String toSipAddress = "voip.brujula.net";
		String toUser = "862088805";
		String toDisplayName = "Vincent";
 
		//FROM HEADER
 
		SipURI fromAddress = addressFactory.createSipURI(fromName,fromSipAddress);
		Address fromNameAddress = addressFactory.createAddress(fromAddress);
		fromNameAddress.setDisplayName(fromDisplayName);
		FromHeader fromHeader = headerFactory.createFromHeader(fromNameAddress,"123408805");
 
		//TO HEADER
 
		SipURI toAddress = addressFactory.createSipURI(toUser, toSipAddress);
		Address toNameAddress = addressFactory.createAddress(toAddress);
		toNameAddress.setDisplayName(toDisplayName);
		ToHeader toHeader = headerFactory.createToHeader(toNameAddress, null);
 
		// PROXY URI
		SipURI requestURI = addressFactory.createSipURI(null, realm);
 
		// VIA HEADER
		ArrayList<ViaHeader> viaHeaders = new ArrayList<ViaHeader>();
		ViaHeader viaHeader = headerFactory.createViaHeader(IP, sipProvider.getListeningPoint(transport).getPort(), transport, null);
		viaHeaders.add(viaHeader);
 
		// CALLID HEADER
		CallIdHeader callIdHeader;
		callIdHeader = sipProvider.getNewCallId();
 
		// CSEQ HEADER
		CSeqHeader cSeqHeader = headerFactory.createCSeqHeader(regco,Request.REGISTER);
 
		// MAXFORWARDS HEADER
		MaxForwardsHeader maxForwards = headerFactory.createMaxForwardsHeader(99);
 
		// CREATE THE REQUEST
		Request request = messageFactory.createRequest(requestURI,
				Request.REGISTER, callIdHeader, cSeqHeader, fromHeader,
				toHeader, viaHeaders, maxForwards);
 
		return request;
 
 
	}
 
	public static void main(String args[]) throws ParseException, InvalidArgumentException {
		new UAC().init();
		Request RequestRegister = creerRegister();
 
	}
 
	@Override
	public void processDialogTerminated(DialogTerminatedEvent arg0) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void processIOException(IOExceptionEvent arg0) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void processRequest(RequestEvent arg0) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void processResponse(ResponseEvent arg0) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void processTimeout(TimeoutEvent arg0) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void processTransactionTerminated(TransactionTerminatedEvent arg0) {
		// TODO Auto-generated method stub
 
	}
 
 
 
 
}