Program: 82003
Project: 82003
Buggy source:
/** 
 * This is actually the main part of method "start", in order to make the method "start" to be asynchronous.
 */
@Override public void run(){
  try {
    session.joinMUC(info.getMucJid(),info.getNickname());
    JingleIQ initIq=session.waitForInitPacket();
    transport.harvestLocalCandidates();
    Map<MediaType,Map<MediaFormat,Byte>> formatAndPTs=JinglePacketParser.getFormatAndDynamicPTs(initIq);
    Map<MediaType,Long> localSsrcs=recorder.getLocalSsrcs();
    Map<MediaType,IceUdpTransportPacketExtension> transportPEs=new HashMap<MediaType,IceUdpTransportPacketExtension>();
    transportPEs.put(MediaType.AUDIO,transport.getTransportPacketExt());
    transportPEs.put(MediaType.VIDEO,transport.getTransportPacketExt());
    Map<MediaType,DtlsFingerprintPacketExtension> fingerprintPEs=new HashMap<MediaType,DtlsFingerprintPacketExtension>();
    for (    MediaType mediaType : MediaType.values()) {
      if (mediaType != MediaType.AUDIO && mediaType != MediaType.VIDEO)       continue;
      DtlsFingerprintPacketExtension fingerprintPE=new DtlsFingerprintPacketExtension();
      fingerprintPE.setHash(srtpControl.getLocalFingerprintHashFunction(mediaType));
      fingerprintPE.setFingerprint(srtpControl.getLocalFingerprintHashFunction(mediaType));
      fingerprintPE.setText(srtpControl.getLocalFingerprintHashFunction(mediaType));
      fingerprintPEs.put(mediaType,fingerprintPE);
    }
    session.sendAcceptPacket(formatAndPTs,localSsrcs,transportPEs,fingerprintPEs);
    session.waitForResultPacket();
    Map<MediaType,IceUdpTransportPacketExtension> remoteTransportPEs=JinglePacketParser.getTransportPacketExts(initIq);
    transport.harvestRemoteCandidates(remoteTransportPEs);
    transport.startConnectivityEstablishment();
    Map<MediaType,StreamConnector> streamConnectors=new HashMap<MediaType,StreamConnector>();
    Map<MediaType,MediaStreamTarget> mediaStreamTargets=new HashMap<MediaType,MediaStreamTarget>();
    for (    MediaType mediaType : MediaType.values()) {
      if (mediaType != MediaType.AUDIO && mediaType != MediaType.VIDEO)       continue;
      StreamConnector streamConnector=transport.getStreamConnector(mediaType);
      streamConnectors.put(mediaType,streamConnector);
      MediaStreamTarget mediaStreamTarget=transport.getStreamTarget(mediaType);
      mediaStreamTargets.put(mediaType,mediaStreamTarget);
    }
    recorder.startRecording(formatAndPTs,streamConnectors,mediaStreamTargets);
  }
 catch (  Exception e) {
    e.printStackTrace();
    fireEvent(new JireconEvent(info.getMucJid(),JireconEvent.Type.TASK_ABORTED));
  }
}

Fixed version (ground truth):
/** 
 * This is actually the main part of method "start", in order to make the method "start" to be asynchronous.
 */
@Override public void run(){
  try {
    session.joinMUC(info.getMucJid(),info.getNickname());
    JingleIQ initIq=session.waitForInitPacket();
    transport.harvestLocalCandidates();
    Map<MediaType,Map<MediaFormat,Byte>> formatAndPTs=JinglePacketParser.getFormatAndDynamicPTs(initIq);
    Map<MediaType,Long> localSsrcs=recorder.getLocalSsrcs();
    Map<MediaType,AbstractPacketExtension> transportPEs=new HashMap<MediaType,AbstractPacketExtension>();
    transportPEs.put(MediaType.AUDIO,transport.getTransportPacketExt(MediaType.AUDIO));
    transportPEs.put(MediaType.VIDEO,transport.getTransportPacketExt(MediaType.VIDEO));
    Map<MediaType,AbstractPacketExtension> fingerprintPEs=new HashMap<MediaType,AbstractPacketExtension>();
    fingerprintPEs.put(MediaType.AUDIO,srtpControl.getFingerprintPacketExt(MediaType.AUDIO));
    fingerprintPEs.put(MediaType.VIDEO,srtpControl.getFingerprintPacketExt(MediaType.VIDEO));
    session.sendAcceptPacket(formatAndPTs,localSsrcs,transportPEs,fingerprintPEs);
    session.waitForResultPacket();
    Map<MediaType,IceUdpTransportPacketExtension> remoteTransportPEs=JinglePacketParser.getTransportPacketExts(initIq);
    transport.harvestRemoteCandidates(remoteTransportPEs);
    transport.startConnectivityEstablishment();
    Map<MediaType,StreamConnector> streamConnectors=new HashMap<MediaType,StreamConnector>();
    Map<MediaType,MediaStreamTarget> mediaStreamTargets=new HashMap<MediaType,MediaStreamTarget>();
    for (    MediaType mediaType : MediaType.values()) {
      if (mediaType != MediaType.AUDIO && mediaType != MediaType.VIDEO)       continue;
      StreamConnector streamConnector=transport.getStreamConnector(mediaType);
      streamConnectors.put(mediaType,streamConnector);
      MediaStreamTarget mediaStreamTarget=transport.getStreamTarget(mediaType);
      mediaStreamTargets.put(mediaType,mediaStreamTarget);
    }
    recorder.startRecording(formatAndPTs,streamConnectors,mediaStreamTargets);
  }
 catch (  Exception e) {
    e.printStackTrace();
    fireEvent(new JireconEvent(info.getMucJid(),JireconEvent.Type.TASK_ABORTED));
  }
}