Program: 132231
Project: 132231
Buggy source:
public void createServiceFunctionForwarder(ServiceFunction serviceFunction){
  LOG.info("String_Node_Str",Thread.currentThread().getStackTrace()[1]);
  InstanceIdentifier<ServiceFunctionForwarder> sffIID;
  ServiceFunctionForwarderKey serviceFunctionForwarderKey=new ServiceFunctionForwarderKey(serviceFunction.getServiceFunctionForwarder());
  sffIID=InstanceIdentifier.builder(ServiceFunctionForwarders.class).child(ServiceFunctionForwarder.class,serviceFunctionForwarderKey).build();
  ServiceFunctionForwarderBuilder serviceFunctionForwarderBuilder=new ServiceFunctionForwarderBuilder();
  serviceFunctionForwarderBuilder.setName(serviceFunction.getServiceFunctionForwarder());
  ArrayList<ServiceFunctionDictionary> serviceFunctionDictionaryList=new ArrayList<>();
  ServiceFunctionDictionaryBuilder serviceFunctionDictionaryBuilder=new ServiceFunctionDictionaryBuilder();
  serviceFunctionDictionaryBuilder.setName(serviceFunction.getName()).setType(serviceFunction.getType()).setServiceFunctionForwarder(serviceFunction.getServiceFunctionForwarder()).setSfDataPlaneLocator(serviceFunction.getSfDataPlaneLocator());
  serviceFunctionDictionaryList.add(serviceFunctionDictionaryBuilder.build());
  serviceFunctionForwarderBuilder.setServiceFunctionDictionary(serviceFunctionDictionaryList);
  LOG.info("String_Node_Str",serviceFunction.getServiceFunctionForwarder(),serviceFunction.getName());
  final DataModificationTransaction t=odlSfc.dataProvider.beginTransaction();
  t.putConfigurationData(sffIID,serviceFunctionForwarderBuilder.build());
  try {
    t.commit().get();
  }
 catch (  ExecutionException|InterruptedException e) {
    LOG.warn("String_Node_Str",e);
  }
  LOG.info("String_Node_Str",Thread.currentThread().getStackTrace()[1]);
}

Fixed version (ground truth):
public void createServiceFunctionForwarder(ServiceFunction serviceFunction){
  LOG.debug("String_Node_Str",Thread.currentThread().getStackTrace()[1]);
  InstanceIdentifier<ServiceFunctionForwarder> sffIID;
  ServiceFunctionForwarderKey serviceFunctionForwarderKey=new ServiceFunctionForwarderKey(serviceFunction.getServiceFunctionForwarder());
  sffIID=InstanceIdentifier.builder(ServiceFunctionForwarders.class).child(ServiceFunctionForwarder.class,serviceFunctionForwarderKey).build();
  ServiceFunctionForwarderBuilder serviceFunctionForwarderBuilder=new ServiceFunctionForwarderBuilder();
  serviceFunctionForwarderBuilder.setName(serviceFunction.getServiceFunctionForwarder());
  ArrayList<ServiceFunctionDictionary> serviceFunctionDictionaryList=new ArrayList<>();
  ServiceFunctionDictionaryBuilder serviceFunctionDictionaryBuilder=new ServiceFunctionDictionaryBuilder();
  serviceFunctionDictionaryBuilder.setName(serviceFunction.getName()).setType(serviceFunction.getType()).setServiceFunctionForwarder(serviceFunction.getServiceFunctionForwarder()).setSfDataPlaneLocator(serviceFunction.getSfDataPlaneLocator());
  serviceFunctionDictionaryList.add(serviceFunctionDictionaryBuilder.build());
  serviceFunctionForwarderBuilder.setServiceFunctionDictionary(serviceFunctionDictionaryList);
  LOG.debug("String_Node_Str",serviceFunction.getServiceFunctionForwarder(),serviceFunction.getName());
  final DataModificationTransaction t=odlSfc.dataProvider.beginTransaction();
  t.putConfigurationData(sffIID,serviceFunctionForwarderBuilder.build());
  try {
    t.commit().get();
  }
 catch (  ExecutionException|InterruptedException e) {
    LOG.warn("String_Node_Str",e);
  }
  LOG.debug("String_Node_Str",Thread.currentThread().getStackTrace()[1]);
}