Program: 21423
Project: 21423
Buggy source:
private void go(){
  loadImages();
  String log="String_Node_Str";
  File fileInput=null;
  try {
    fileInput=JDUtilities.getResourceFile(JDUtilities.CONFIG_PATH);
  }
 catch (  RuntimeException e) {
    e.printStackTrace();
  }
  try {
    log+="String_Node_Str" + ("String_Node_Str" + fileInput + "String_Node_Str"+ JDUtilities.CONFIG_PATH+ "String_Node_Str");
    if (fileInput != null && fileInput.exists()) {
      Object obj=JDUtilities.loadObject(null,fileInput,Configuration.saveAsXML);
      if (obj instanceof Configuration) {
        Configuration configuration=(Configuration)obj;
        JDUtilities.setConfiguration(configuration);
        JDUtilities.getLogger().setLevel((Level)configuration.getProperty(Configuration.PARAM_LOGGER_LEVEL,Level.FINER));
        JDUtilities.setLocale((Locale)configuration.getProperty(Configuration.PARAM_LOCALE,Locale.getDefault()));
      }
 else {
        log+="String_Node_Str" + ("String_Node_Str" + obj);
        log+="String_Node_Str" + ("String_Node_Str");
        JDUtilities.getConfiguration().setDefaultValues();
      }
    }
 else {
      log+="String_Node_Str" + ("String_Node_Str");
      log+="String_Node_Str" + ("String_Node_Str");
      JDUtilities.getConfiguration().setDefaultValues();
    }
  }
 catch (  Exception e) {
    log+="String_Node_Str" + ("String_Node_Str");
    JDUtilities.getConfiguration().setDefaultValues();
  }
  CookieHandler.setDefault(null);
  logger.info("String_Node_Str");
  JDController controller=new JDController();
  UIInterface uiInterface=new SimpleGUI();
  controller.setUiInterface(uiInterface);
  logger.info(log);
  logger.info("String_Node_Str");
  JDUtilities.loadPlugins();
  logger.info("String_Node_Str");
  if (!controller.initDownloadLinks()) {
    File links=JDUtilities.getResourceFile("String_Node_Str");
    if (links != null && links.exists()) {
      File newFile=new File(links.getAbsolutePath() + "String_Node_Str");
      newFile.delete();
      links.renameTo(newFile);
      uiInterface.showMessageDialog("String_Node_Str" + newFile + "String_Node_Str");
    }
  }
  logger.info("String_Node_Str");
  Iterator<PluginForHost> iteratorHost=JDUtilities.getPluginsForHost().iterator();
  while (iteratorHost.hasNext()) {
    iteratorHost.next().addPluginListener(controller);
  }
  Iterator<PluginForDecrypt> iteratorDecrypt=JDUtilities.getPluginsForDecrypt().iterator();
  while (iteratorDecrypt.hasNext()) {
    iteratorDecrypt.next().addPluginListener(controller);
  }
  Iterator<PluginForSearch> iteratorSearch=JDUtilities.getPluginsForSearch().iterator();
  while (iteratorSearch.hasNext()) {
    iteratorSearch.next().addPluginListener(controller);
  }
  Iterator<PluginForContainer> iteratorContainer=JDUtilities.getPluginsForContainer().iterator();
  while (iteratorContainer.hasNext()) {
    iteratorContainer.next().addPluginListener(controller);
  }
  Iterator<String> iteratorOptional=JDUtilities.getPluginsOptional().keySet().iterator();
  while (iteratorOptional.hasNext()) {
    JDUtilities.getPluginsOptional().get(iteratorOptional.next()).addPluginListener(controller);
  }
  HashMap<String,PluginOptional> pluginsOptional=JDUtilities.getPluginsOptional();
  Iterator<String> iterator=pluginsOptional.keySet().iterator();
  String key;
  while (iterator.hasNext()) {
    key=iterator.next();
    PluginOptional plg=pluginsOptional.get(key);
    if (JDUtilities.getConfiguration().getBooleanProperty("String_Node_Str" + plg.getPluginName(),false)) {
      try {
        pluginsOptional.get(key).enable(true);
      }
 catch (      Exception e) {
        logger.severe("String_Node_Str" + e.getMessage());
      }
    }
  }
  Interaction.handleInteraction(Interaction.INTERACTION_APPSTART,false);
  if (JDUtilities.getConfiguration().getBooleanProperty(Configuration.PARAM_START_DOWNLOADS_AFTER_START,false)) {
    uiInterface.fireUIEvent(new UIEvent(uiInterface,UIEvent.UI_START_DOWNLOADS));
  }
}

Fixed version (ground truth):
private void go(){
  loadImages();
  String log="String_Node_Str";
  File fileInput=null;
  try {
    fileInput=JDUtilities.getResourceFile(JDUtilities.CONFIG_PATH);
  }
 catch (  RuntimeException e) {
    e.printStackTrace();
  }
  try {
    log+="String_Node_Str" + ("String_Node_Str" + fileInput + "String_Node_Str"+ JDUtilities.CONFIG_PATH+ "String_Node_Str");
    if (fileInput != null && fileInput.exists()) {
      Object obj=JDUtilities.loadObject(null,fileInput,Configuration.saveAsXML);
      if (obj instanceof Configuration) {
        Configuration configuration=(Configuration)obj;
        JDUtilities.setConfiguration(configuration);
        JDUtilities.getLogger().setLevel((Level)configuration.getProperty(Configuration.PARAM_LOGGER_LEVEL,Level.FINER));
        JDUtilities.setLocale((Locale)configuration.getProperty(Configuration.PARAM_LOCALE,Locale.getDefault()));
      }
 else {
        log+="String_Node_Str" + ("String_Node_Str" + obj);
        log+="String_Node_Str" + ("String_Node_Str");
        JDUtilities.getConfiguration().setDefaultValues();
      }
    }
 else {
      log+="String_Node_Str" + ("String_Node_Str");
      log+="String_Node_Str" + ("String_Node_Str");
      JDUtilities.getConfiguration().setDefaultValues();
    }
  }
 catch (  Exception e) {
    log+="String_Node_Str" + ("String_Node_Str");
    JDUtilities.getConfiguration().setDefaultValues();
  }
  CookieHandler.setDefault(null);
  logger.info("String_Node_Str");
  JDController controller=new JDController();
  UIInterface uiInterface=new SimpleGUI();
  controller.setUiInterface(uiInterface);
  logger.info(log);
  logger.info("String_Node_Str");
  JDUtilities.loadPlugins();
  logger.info("String_Node_Str");
  if (!controller.initDownloadLinks()) {
    File links=JDUtilities.getResourceFile("String_Node_Str");
    if (links != null && links.exists()) {
      File newFile=new File(links.getAbsolutePath() + "String_Node_Str");
      newFile.delete();
      links.renameTo(newFile);
      uiInterface.showMessageDialog("String_Node_Str" + newFile + "String_Node_Str");
    }
  }
  logger.info("String_Node_Str" + System.getProperty("String_Node_Str") + "String_Node_Str"+ System.getProperty("String_Node_Str")+ "String_Node_Str"+ System.getProperty("String_Node_Str"));
  logger.info("String_Node_Str");
  Iterator<PluginForHost> iteratorHost=JDUtilities.getPluginsForHost().iterator();
  while (iteratorHost.hasNext()) {
    iteratorHost.next().addPluginListener(controller);
  }
  Iterator<PluginForDecrypt> iteratorDecrypt=JDUtilities.getPluginsForDecrypt().iterator();
  while (iteratorDecrypt.hasNext()) {
    iteratorDecrypt.next().addPluginListener(controller);
  }
  Iterator<PluginForSearch> iteratorSearch=JDUtilities.getPluginsForSearch().iterator();
  while (iteratorSearch.hasNext()) {
    iteratorSearch.next().addPluginListener(controller);
  }
  Iterator<PluginForContainer> iteratorContainer=JDUtilities.getPluginsForContainer().iterator();
  while (iteratorContainer.hasNext()) {
    iteratorContainer.next().addPluginListener(controller);
  }
  Iterator<String> iteratorOptional=JDUtilities.getPluginsOptional().keySet().iterator();
  while (iteratorOptional.hasNext()) {
    JDUtilities.getPluginsOptional().get(iteratorOptional.next()).addPluginListener(controller);
  }
  HashMap<String,PluginOptional> pluginsOptional=JDUtilities.getPluginsOptional();
  Iterator<String> iterator=pluginsOptional.keySet().iterator();
  String key;
  while (iterator.hasNext()) {
    key=iterator.next();
    PluginOptional plg=pluginsOptional.get(key);
    if (JDUtilities.getConfiguration().getBooleanProperty("String_Node_Str" + plg.getPluginName(),false)) {
      try {
        pluginsOptional.get(key).enable(true);
      }
 catch (      Exception e) {
        logger.severe("String_Node_Str" + e.getMessage());
      }
    }
  }
  Interaction.handleInteraction(Interaction.INTERACTION_APPSTART,false);
  if (JDUtilities.getConfiguration().getBooleanProperty(Configuration.PARAM_START_DOWNLOADS_AFTER_START,false)) {
    uiInterface.fireUIEvent(new UIEvent(uiInterface,UIEvent.UI_START_DOWNLOADS));
  }
}