Program: 103216
Project: 103216
Buggy source:
/** 
 * Indicates a user request to answer an incoming call from this <tt>CallPeer</tt>. Sends an OK response to <tt>callPeer</tt>. Make sure that the call peer contains an SDP description when you call this method.
 * @throws OperationFailedException if we fail to create or send theresponse.
 */
public synchronized void answer() throws OperationFailedException {
  Iterable<ContentPacketExtension> answer;
  try {
    getMediaHandler().getTransportManager().wrapupConnectivityEstablishment();
    answer=getMediaHandler().generateSessionAccept();
  }
 catch (  Exception exc) {
    logger.info("String_Node_Str",exc);
    String reasonText="String_Node_Str" + exc.getMessage();
    JingleIQ errResp=JinglePacketFactory.createSessionTerminate(sessionInitIQ.getTo(),sessionInitIQ.getFrom(),sessionInitIQ.getSID(),Reason.FAILED_APPLICATION,reasonText);
    setState(CallPeerState.FAILED,reasonText);
    getProtocolProvider().getConnection().sendPacket(errResp);
    return;
  }
  JingleIQ response=JinglePacketFactory.createSessionAccept(sessionInitIQ.getTo(),sessionInitIQ.getFrom(),getJingleSID(),answer);
  getProtocolProvider().getConnection().sendPacket(response);
  try {
    getMediaHandler().start();
  }
 catch (  UndeclaredThrowableException e) {
    Throwable exc=e.getUndeclaredThrowable();
    logger.info("String_Node_Str",exc);
    String reasonText="String_Node_Str" + exc.getMessage();
    JingleIQ errResp=JinglePacketFactory.createSessionTerminate(sessionInitIQ.getTo(),sessionInitIQ.getFrom(),sessionInitIQ.getSID(),Reason.GENERAL_ERROR,reasonText);
    getMediaHandler().getTransportManager().close();
    setState(CallPeerState.FAILED,reasonText);
    getProtocolProvider().getConnection().sendPacket(errResp);
    return;
  }
  setState(CallPeerState.CONNECTED);
}

Fixed version (ground truth):
/** 
 * Indicates a user request to answer an incoming call from this <tt>CallPeer</tt>. Sends an OK response to <tt>callPeer</tt>. Make sure that the call peer contains an SDP description when you call this method.
 * @throws OperationFailedException if we fail to create or send theresponse.
 */
public synchronized void answer() throws OperationFailedException {
  Iterable<ContentPacketExtension> answer;
  try {
    getMediaHandler().getTransportManager().wrapupConnectivityEstablishment();
    answer=getMediaHandler().generateSessionAccept();
  }
 catch (  Exception exc) {
    logger.info("String_Node_Str",exc);
    String reasonText="String_Node_Str" + exc.getMessage();
    JingleIQ errResp=JinglePacketFactory.createSessionTerminate(sessionInitIQ.getTo(),sessionInitIQ.getFrom(),sessionInitIQ.getSID(),Reason.FAILED_APPLICATION,reasonText);
    setState(CallPeerState.FAILED,reasonText);
    getProtocolProvider().getConnection().sendPacket(errResp);
    return;
  }
  JingleIQ response=JinglePacketFactory.createSessionAccept(sessionInitIQ.getTo(),sessionInitIQ.getFrom(),getJingleSID(),answer);
  getProtocolProvider().getConnection().sendPacket(response);
  try {
    getMediaHandler().start();
  }
 catch (  UndeclaredThrowableException e) {
    Throwable exc=e.getUndeclaredThrowable();
    logger.info("String_Node_Str",exc);
    String reasonText="String_Node_Str" + exc.getMessage();
    JingleIQ errResp=JinglePacketFactory.createSessionTerminate(sessionInitIQ.getTo(),sessionInitIQ.getFrom(),sessionInitIQ.getSID(),Reason.GENERAL_ERROR,reasonText);
    setState(CallPeerState.FAILED,reasonText);
    getProtocolProvider().getConnection().sendPacket(errResp);
    return;
  }
  setState(CallPeerState.CONNECTED);
}