Program: 28515
Project: 28515
Buggy source:
@Override public Object run(SecurityService service) throws PropertyVetoException, TransactionFailure {
  for (  MessageSecurityConfig msc : service.getMessageSecurityConfig()) {
    if (AUTH_LAYER.equals(msc.getAuthLayer())) {
      return null;
    }
  }
  MessageSecurityConfig msConfig=service.createChild(MessageSecurityConfig.class);
  msConfig.setAuthLayer(AUTH_LAYER);
  service.getMessageSecurityConfig().add(msConfig);
  ProviderConfig pConfig=msConfig.createChild(ProviderConfig.class);
  pConfig.setProviderType(PROVIDER_TYPE);
  pConfig.setProviderId(PROVIDER_ID);
  pConfig.setClassName(CLASS_NAME);
  msConfig.getProviderConfig().add(pConfig);
  RequestPolicy reqPol=pConfig.createChild(RequestPolicy.class);
  reqPol.setAuthSource(AUTH_SOURCE);
  pConfig.setRequestPolicy(reqPol);
  ResponsePolicy resPol=pConfig.createChild(ResponsePolicy.class);
  pConfig.setResponsePolicy(resPol);
  String adminPort=DEFAULT_ADMIN_PORT;
  Config parent=service.getParent(Config.class);
  NetworkListener nl=parent.getAdminListener();
  if (nl != null) {
    adminPort=nl.getPort();
  }
 else {
    LogRecord lr=new LogRecord(Level.WARNING,String.format("String_Node_Str",parent.getName(),DEFAULT_ADMIN_PORT));
    lr.setLoggerName(getClass().getName());
    EarlyLogHandler.earlyMessages.add(lr);
  }
  Property logPageProp=pConfig.createChild(Property.class);
  logPageProp.setName(LOGIN_PAGE_PROP);
  logPageProp.setValue(LOGIN_PAGE_VAL);
  Property logErrPage=pConfig.createChild(Property.class);
  logErrPage.setName(LOGIN_ERR_PAGE_PROP);
  logErrPage.setValue(LOGIN_ERR_PAGE_VAL);
  List<Property> props=pConfig.getProperty();
  props.add(logPageProp);
  props.add(logErrPage);
  return null;
}

Fixed version (ground truth):
@Override public Object run(SecurityService service) throws PropertyVetoException, TransactionFailure {
  for (  MessageSecurityConfig msc : service.getMessageSecurityConfig()) {
    if (AUTH_LAYER.equals(msc.getAuthLayer())) {
      return null;
    }
  }
  MessageSecurityConfig msConfig=service.createChild(MessageSecurityConfig.class);
  msConfig.setAuthLayer(AUTH_LAYER);
  service.getMessageSecurityConfig().add(msConfig);
  ProviderConfig pConfig=msConfig.createChild(ProviderConfig.class);
  pConfig.setProviderType(PROVIDER_TYPE);
  pConfig.setProviderId(PROVIDER_ID);
  pConfig.setClassName(CLASS_NAME);
  msConfig.getProviderConfig().add(pConfig);
  RequestPolicy reqPol=pConfig.createChild(RequestPolicy.class);
  reqPol.setAuthSource(AUTH_SOURCE);
  pConfig.setRequestPolicy(reqPol);
  ResponsePolicy resPol=pConfig.createChild(ResponsePolicy.class);
  pConfig.setResponsePolicy(resPol);
  Config parent=service.getParent(Config.class);
  if (parent.getAdminListener() == null) {
    LogRecord lr=new LogRecord(Level.WARNING,String.format("String_Node_Str",parent.getName(),DEFAULT_ADMIN_PORT));
    lr.setLoggerName(getClass().getName());
    EarlyLogHandler.earlyMessages.add(lr);
  }
  Property logPageProp=pConfig.createChild(Property.class);
  logPageProp.setName(LOGIN_PAGE_PROP);
  logPageProp.setValue(LOGIN_PAGE_VAL);
  Property logErrPage=pConfig.createChild(Property.class);
  logErrPage.setName(LOGIN_ERR_PAGE_PROP);
  logErrPage.setValue(LOGIN_ERR_PAGE_VAL);
  List<Property> props=pConfig.getProperty();
  props.add(logPageProp);
  props.add(logErrPage);
  return null;
}