Program: 20918
Project: 20918
Buggy source:
public void connectToWebApp(final WebOSWebAppSession webAppSession,final boolean joinOnly,final ResponseListener<Object> connectionListener){
  if (webAppSession == null || webAppSession.launchSession == null || webAppSession.launchSession.getRawData() == null) {
    Util.postError(connectionListener,new ServiceCommandError(0,"String_Node_Str",null));
    return;
  }
  final String webAppHostId=String.format("String_Node_Str",webAppSession.launchSession.getAppId());
  final LaunchSession launchSession=webAppSession.launchSession;
  String uri="String_Node_Str";
  JSONObject payload=new JSONObject();
  if (launchSession.getAppId() != null) {
    try {
      payload.put("String_Node_Str",launchSession.getAppId());
    }
 catch (    JSONException e) {
      e.printStackTrace();
    }
  }
  if (mAppToAppSubscriptions.containsKey(webAppSession.launchSession.getAppId()) && mAppToAppMessageListeners.containsKey(webAppHostId)) {
    mAppToAppMessageListeners.put(webAppHostId,webAppSession.messageHandler);
    Util.postSuccess(connectionListener,webAppSession);
    return;
  }
  ResponseListener<Object> responseListener=new ResponseListener<Object>(){
    @Override public void onSuccess(    Object response){
      JSONObject jsonObj=(JSONObject)response;
      Log.d(Util.T,"String_Node_Str" + jsonObj.toString());
      String state=jsonObj.optString("String_Node_Str");
      if (!state.equalsIgnoreCase("String_Node_Str")) {
        if (joinOnly && state.equalsIgnoreCase("String_Node_Str")) {
          Util.postError(connectionListener,new ServiceCommandError(0,"String_Node_Str",null));
        }
        return;
      }
      if (webAppSession.messageHandler != null)       mAppToAppMessageListeners.put(webAppHostId,webAppSession.messageHandler);
      if (connectionListener != null)       connectionListener.onSuccess(null);
    }
    @Override public void onError(    ServiceCommandError error){
      ServiceSubscription<ResponseListener<Object>> subscription=mAppToAppSubscriptions.get(launchSession.getAppId());
      if (subscription != null) {
        if (serviceDescription.getVersion().contains("String_Node_Str"))         subscription.unsubscribe();
        mAppToAppMessageListeners.remove(subscription);
        mAppToAppSubscriptions.remove(webAppHostId);
      }
      Util.postError(connectionListener,error);
    }
  }
;
  URLServiceSubscription<ResponseListener<Object>> subscription=new URLServiceSubscription<ResponseListener<Object>>(this,uri,payload,true,responseListener);
  subscription.send();
  mAppToAppSubscriptions.put(launchSession.getAppId(),subscription);
}

Fixed version (ground truth):
public void connectToWebApp(final WebOSWebAppSession webAppSession,final boolean joinOnly,final ResponseListener<Object> connectionListener){
  if (webAppSession == null || webAppSession.launchSession == null) {
    Util.postError(connectionListener,new ServiceCommandError(0,"String_Node_Str",null));
    return;
  }
  final String webAppHostId=String.format("String_Node_Str",webAppSession.launchSession.getAppId());
  final LaunchSession launchSession=webAppSession.launchSession;
  String uri="String_Node_Str";
  JSONObject payload=new JSONObject();
  if (launchSession.getAppId() != null) {
    try {
      payload.put("String_Node_Str",launchSession.getAppId());
    }
 catch (    JSONException e) {
      e.printStackTrace();
    }
  }
  if (mAppToAppSubscriptions.containsKey(webAppSession.launchSession.getAppId()) && mAppToAppMessageListeners.containsKey(webAppHostId)) {
    mAppToAppMessageListeners.put(webAppHostId,webAppSession.messageHandler);
    Util.postSuccess(connectionListener,webAppSession);
    return;
  }
  ResponseListener<Object> responseListener=new ResponseListener<Object>(){
    @Override public void onSuccess(    Object response){
      JSONObject jsonObj=(JSONObject)response;
      Log.d(Util.T,"String_Node_Str" + jsonObj.toString());
      String state=jsonObj.optString("String_Node_Str");
      if (!state.equalsIgnoreCase("String_Node_Str")) {
        if (joinOnly && state.equalsIgnoreCase("String_Node_Str")) {
          Util.postError(connectionListener,new ServiceCommandError(0,"String_Node_Str",null));
        }
        return;
      }
      if (webAppSession.messageHandler != null)       mAppToAppMessageListeners.put(webAppHostId,webAppSession.messageHandler);
      if (connectionListener != null)       connectionListener.onSuccess(null);
    }
    @Override public void onError(    ServiceCommandError error){
      ServiceSubscription<ResponseListener<Object>> subscription=mAppToAppSubscriptions.get(launchSession.getAppId());
      if (subscription != null) {
        if (serviceDescription.getVersion().contains("String_Node_Str"))         subscription.unsubscribe();
        mAppToAppMessageListeners.remove(subscription);
        mAppToAppSubscriptions.remove(webAppHostId);
      }
      Util.postError(connectionListener,error);
    }
  }
;
  URLServiceSubscription<ResponseListener<Object>> subscription=new URLServiceSubscription<ResponseListener<Object>>(this,uri,payload,true,responseListener);
  subscription.subscribe();
  mAppToAppSubscriptions.put(launchSession.getAppId(),subscription);
}