Program: 34365
Project: 34365
Buggy source:
/** 
 * Initiates a device management request, such as reboot.
 * @param request JSON object containing the management request
 * @return JSON object containing the response from Watson IoT Platform
 * @throws IoTFCReSTException Failure in initiating a DM request
 */
public JsonObject initiateDMRequest(JsonObject request) throws IoTFCReSTException {
  final String METHOD="String_Node_Str";
  StringBuilder sb=new StringBuilder("String_Node_Str");
  sb.append(orgId).append('.').append(this.domain).append(BASIC_API_V0002_URL).append("String_Node_Str");
  int code=0;
  HttpResponse response=null;
  JsonElement jsonResponse=null;
  String method="String_Node_Str";
  IoTFCReSTException ex=null;
  try {
    response=connect(method,sb.toString(),request.toString(),null);
    code=response.getStatusLine().getStatusCode();
switch (code) {
case 202:
      String result=this.readContent(response,METHOD);
    jsonResponse=new JsonParser().parse(result);
  break;
case 500:
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_INITIATE_DM_REQUEST_ERR_500,null);
break;
default :
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_ERR_UNEXPECTED,null);
}
}
 catch (Exception e) {
ex=new IoTFCReSTException("String_Node_Str" + "String_Node_Str" + e.getMessage());
ex.initCause(e);
}
if (jsonResponse != null) {
return jsonResponse.getAsJsonObject();
}
 else {
if (ex != null) {
throw ex;
}
return null;
}
}

Fixed version (ground truth):
/** 
 * Initiates a device management request, such as reboot.
 * @param request JSON object containing the management request
 * @return JSON object containing the response from Watson IoT Platform
 * @throws IoTFCReSTException Failure in initiating a DM request
 */
public JsonObject initiateDMRequest(JsonObject request) throws IoTFCReSTException {
  final String METHOD="String_Node_Str";
  StringBuilder sb=new StringBuilder("String_Node_Str");
  sb.append(orgId).append('.').append(this.domain).append(BASIC_API_V0002_URL).append("String_Node_Str");
  int code=0;
  HttpResponse response=null;
  JsonElement jsonResponse=null;
  String method="String_Node_Str";
  IoTFCReSTException ex=null;
  try {
    response=connect(method,sb.toString(),request.toString(),null);
    code=response.getStatusLine().getStatusCode();
switch (code) {
case 202:
      String result=this.readContent(response,METHOD);
    jsonResponse=new JsonParser().parse(result);
  break;
case 400:
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_INITIATE_DM_REQUEST_ERR_400,null);
break;
case 401:
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_INITIATE_DM_REQUEST_ERR_401,null);
break;
case 403:
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_INITIATE_DM_REQUEST_ERR_403,null);
break;
case 404:
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_INITIATE_DM_REQUEST_ERR_404,null);
break;
case 500:
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_INITIATE_DM_REQUEST_ERR_500,null);
break;
default :
ex=new IoTFCReSTException(method,sb.toString(),request.toString(),code,IoTFCReSTException.HTTP_ERR_UNEXPECTED,null);
}
}
 catch (Exception e) {
ex=new IoTFCReSTException("String_Node_Str" + "String_Node_Str" + e.getMessage());
ex.initCause(e);
}
if (jsonResponse != null) {
return jsonResponse.getAsJsonObject();
}
 else {
if (ex != null) {
throw ex;
}
return null;
}
}