Program: 62549
Project: 62549
Buggy source:
private void scan(){
  logger.debug("String_Node_Str",mBridgeHandler.getThing().getUID());
  if (mBridgeHandler == null || !mBridgeHandler.getThing().getStatus().equals(ThingStatus.ONLINE)) {
    logger.debug("String_Node_Str");
    return;
  }
  LocationList locationList=mBridgeHandler.getZWayApi().getLocations();
  DeviceList deviceList=mBridgeHandler.getZWayApi().getDevices();
  if (deviceList != null) {
    Map<Integer,List<Device>> physicalDevices=deviceList.getDevicesGroupByNodeId();
    for (    Map.Entry<Integer,List<Device>> entry : physicalDevices.entrySet()) {
      final Integer nodeId=entry.getKey();
      List<Device> devices=entry.getValue();
      final ThingUID bridgeUID=mBridgeHandler.getThing().getUID();
      String location="String_Node_Str";
      String deviceTypes="String_Node_Str";
      Integer index=0;
      for (      Device device : devices) {
        if (index != 0 && index != devices.size()) {
          deviceTypes+="String_Node_Str";
        }
        deviceTypes+=device.getDeviceType();
        index++;
        if (locationList != null) {
          if (device.getLocation() != -1 && device.getLocation() != 0) {
            location=locationList.getLocationById(device.getLocation()).getTitle();
          }
        }
      }
      logger.debug("String_Node_Str",devices.size(),deviceTypes);
      ZWaveDevice zwaveDevice=mBridgeHandler.getZWayApi().getZWaveDevice(nodeId);
      if (zwaveDevice != null) {
        String givenName="String_Node_Str" + nodeId;
        if (!zwaveDevice.getData().getGivenName().getValue().equals("String_Node_Str")) {
          givenName=zwaveDevice.getData().getGivenName().getValue();
        }
 else         if (!zwaveDevice.getData().getDeviceTypeString().getValue().equals("String_Node_Str")) {
          givenName+="String_Node_Str" + zwaveDevice.getData().getDeviceTypeString().getValue();
        }
        String vendorString=zwaveDevice.getData().getVendorString().getValue();
        if (!zwaveDevice.getData().getVendorString().getValue().equals("String_Node_Str")) {
          givenName+="String_Node_Str" + vendorString + "String_Node_Str";
        }
        String manufacturerId=zwaveDevice.getData().getManufacturerId().getValue();
        String deviceType=zwaveDevice.getData().getDeviceTypeString().getValue();
        String zddxmlfile=zwaveDevice.getData().getZDDXMLFile().getValue();
        String sdk=zwaveDevice.getData().getSDK().getValue();
        ThingUID thingUID=new ThingUID(ZWayBindingConstants.THING_TYPE_DEVICE,mBridgeHandler.getThing().getUID(),nodeId.toString());
        DiscoveryResult discoveryResult=DiscoveryResultBuilder.create(thingUID).withLabel(givenName).withBridge(bridgeUID).withProperty(ZWayBindingConstants.DEVICE_CONFIG_NODE_ID,nodeId).withProperty(Thing.PROPERTY_VENDOR,vendorString).withProperty(ZWayBindingConstants.DEVICE_PROP_LOCATION,location).withProperty(ZWayBindingConstants.DEVICE_PROP_MANUFACTURER_ID,manufacturerId).withProperty(ZWayBindingConstants.DEVICE_PROP_DEVICE_TYPE,deviceType).withProperty(ZWayBindingConstants.DEVICE_PROP_ZDDXMLFILE,zddxmlfile).withProperty(ZWayBindingConstants.DEVICE_PROP_SDK,sdk).build();
        thingDiscovered(discoveryResult);
      }
 else {
        logger.warn("String_Node_Str");
      }
    }
    for (    Device device : deviceList.getDevices()) {
      if (device.getVisibility() && !device.getPermanentlyHidden()) {
        if (ZWayBindingConstants.DISCOVERY_IGNORED_DEVICES.contains(device.getDeviceId().split("String_Node_Str")[0])) {
          logger.debug("String_Node_Str",device.getMetrics().getTitle());
          continue;
        }
        ThingUID bridgeUID=mBridgeHandler.getThing().getUID();
        String location="String_Node_Str";
        if (locationList != null) {
          if (device.getLocation() != -1 && device.getLocation() != 0) {
            location=locationList.getLocationById(device.getLocation()).getTitle();
          }
        }
        logger.debug("String_Node_Str",device.getDeviceType(),device.getMetrics().getProbeTitle(),device.getNodeId());
        ThingUID thingUID=new ThingUID(ZWayBindingConstants.THING_TYPE_VIRTUAL_DEVICE,mBridgeHandler.getThing().getUID(),device.getDeviceId());
        DiscoveryResult discoveryResult=DiscoveryResultBuilder.create(thingUID).withLabel(device.getMetrics().getTitle()).withBridge(bridgeUID).withProperty(ZWayBindingConstants.DEVICE_CONFIG_VIRTUAL_DEVICE_ID,device.getDeviceId()).withProperty(ZWayBindingConstants.DEVICE_PROP_LOCATION,location).build();
        thingDiscovered(discoveryResult);
      }
    }
  }
 else {
    logger.warn("String_Node_Str");
  }
}

Fixed version (ground truth):
private void scan(){
  logger.debug("String_Node_Str",mBridgeHandler.getThing().getUID());
  if (mBridgeHandler == null || !mBridgeHandler.getThing().getStatus().equals(ThingStatus.ONLINE)) {
    logger.debug("String_Node_Str");
    return;
  }
  LocationList locationList=mBridgeHandler.getZWayApi().getLocations();
  DeviceList deviceList=mBridgeHandler.getZWayApi().getDevices();
  if (deviceList != null) {
    Map<Integer,List<Device>> physicalDevices=deviceList.getDevicesGroupByNodeId();
    for (    Map.Entry<Integer,List<Device>> entry : physicalDevices.entrySet()) {
      final Integer nodeId=entry.getKey();
      List<Device> devices=entry.getValue();
      final ThingUID bridgeUID=mBridgeHandler.getThing().getUID();
      String location="String_Node_Str";
      String deviceTypes="String_Node_Str";
      Integer index=0;
      for (      Device device : devices) {
        if (index != 0 && index != devices.size()) {
          deviceTypes+="String_Node_Str";
        }
        deviceTypes+=device.getDeviceType();
        index++;
        if (locationList != null) {
          if (device.getLocation() != -1 && device.getLocation() != 0) {
            try {
              location=locationList.getLocationById(device.getLocation()).getTitle();
            }
 catch (            NullPointerException npe) {
              location="String_Node_Str";
            }
          }
        }
      }
      logger.debug("String_Node_Str",devices.size(),deviceTypes);
      ZWaveDevice zwaveDevice=mBridgeHandler.getZWayApi().getZWaveDevice(nodeId);
      if (zwaveDevice != null) {
        String givenName="String_Node_Str" + nodeId;
        if (!zwaveDevice.getData().getGivenName().getValue().equals("String_Node_Str")) {
          givenName=zwaveDevice.getData().getGivenName().getValue();
        }
 else         if (!zwaveDevice.getData().getDeviceTypeString().getValue().equals("String_Node_Str")) {
          givenName+="String_Node_Str" + zwaveDevice.getData().getDeviceTypeString().getValue();
        }
        String vendorString=zwaveDevice.getData().getVendorString().getValue();
        if (!zwaveDevice.getData().getVendorString().getValue().equals("String_Node_Str")) {
          givenName+="String_Node_Str" + vendorString + "String_Node_Str";
        }
        String manufacturerId=zwaveDevice.getData().getManufacturerId().getValue();
        String deviceType=zwaveDevice.getData().getDeviceTypeString().getValue();
        String zddxmlfile=zwaveDevice.getData().getZDDXMLFile().getValue();
        String sdk=zwaveDevice.getData().getSDK().getValue();
        ThingUID thingUID=new ThingUID(ZWayBindingConstants.THING_TYPE_DEVICE,mBridgeHandler.getThing().getUID(),nodeId.toString());
        DiscoveryResult discoveryResult=DiscoveryResultBuilder.create(thingUID).withLabel(givenName).withBridge(bridgeUID).withProperty(ZWayBindingConstants.DEVICE_CONFIG_NODE_ID,nodeId).withProperty(Thing.PROPERTY_VENDOR,vendorString).withProperty(ZWayBindingConstants.DEVICE_PROP_LOCATION,location).withProperty(ZWayBindingConstants.DEVICE_PROP_MANUFACTURER_ID,manufacturerId).withProperty(ZWayBindingConstants.DEVICE_PROP_DEVICE_TYPE,deviceType).withProperty(ZWayBindingConstants.DEVICE_PROP_ZDDXMLFILE,zddxmlfile).withProperty(ZWayBindingConstants.DEVICE_PROP_SDK,sdk).build();
        thingDiscovered(discoveryResult);
      }
 else {
        logger.warn("String_Node_Str");
      }
    }
    for (    Device device : deviceList.getDevices()) {
      if (device.getVisibility() && !device.getPermanentlyHidden()) {
        if (ZWayBindingConstants.DISCOVERY_IGNORED_DEVICES.contains(device.getDeviceId().split("String_Node_Str")[0])) {
          logger.debug("String_Node_Str",device.getMetrics().getTitle());
          continue;
        }
        ThingUID bridgeUID=mBridgeHandler.getThing().getUID();
        String location="String_Node_Str";
        if (locationList != null) {
          if (device.getLocation() != -1 && device.getLocation() != 0) {
            try {
              location=locationList.getLocationById(device.getLocation()).getTitle();
            }
 catch (            NullPointerException npe) {
              location="String_Node_Str";
            }
          }
        }
        logger.debug("String_Node_Str",device.getDeviceType(),device.getMetrics().getProbeTitle(),device.getNodeId());
        ThingUID thingUID=new ThingUID(ZWayBindingConstants.THING_TYPE_VIRTUAL_DEVICE,mBridgeHandler.getThing().getUID(),device.getDeviceId());
        DiscoveryResult discoveryResult=DiscoveryResultBuilder.create(thingUID).withLabel(device.getMetrics().getTitle()).withBridge(bridgeUID).withProperty(ZWayBindingConstants.DEVICE_CONFIG_VIRTUAL_DEVICE_ID,device.getDeviceId()).withProperty(ZWayBindingConstants.DEVICE_PROP_LOCATION,location).build();
        thingDiscovered(discoveryResult);
      }
    }
  }
 else {
    logger.warn("String_Node_Str");
  }
}