Program: 45810
Project: 45810
Buggy source:
/** 
 * Load a SketchUP KMZ file and return the ImportedModel object
 * @param file
 * @return
 */
@Override public ImportedModel importModel(ImportSettings settings) throws IOException {
  ImportedModel importedModel;
  URL modelURL=settings.getModelURL();
  if (!modelURL.getProtocol().equalsIgnoreCase("String_Node_Str")) {
    final String modelURLStr=modelURL.toExternalForm();
    SwingUtilities.invokeLater(new Runnable(){
      public void run(){
        JOptionPane.showConfirmDialog(null,"String_Node_Str" + modelURLStr + "String_Node_Str","String_Node_Str",JOptionPane.OK_OPTION);
      }
    }
);
    return null;
  }
  try {
    logger.warning("String_Node_Str" + modelURL.toExternalForm());
    File f=new File(modelURL.getFile());
    if (f == null) {
      logger.warning("String_Node_Str" + modelURL.toExternalForm());
      JOptionPane.showMessageDialog(null,"String_Node_Str" + modelURL.toExternalForm(),"String_Node_Str",JOptionPane.ERROR_MESSAGE);
      return null;
    }
 else     if (!f.canRead()) {
      logger.warning("String_Node_Str" + f.getAbsolutePath());
      JOptionPane.showMessageDialog(null,"String_Node_Str" + f.getAbsolutePath() + "String_Node_Str","String_Node_Str",JOptionPane.ERROR_MESSAGE);
      return null;
    }
    ZipFile zipFile=null;
    ZipEntry docKmlEntry=null;
    try {
      zipFile=new ZipFile(f);
      docKmlEntry=zipFile.getEntry("String_Node_Str");
    }
 catch (    ZipException ze) {
      logger.log(Level.WARNING,"String_Node_Str" + f.getAbsolutePath(),ze);
      return null;
    }
    KmlParser parser=new KmlParser();
    InputStream in=zipFile.getInputStream(docKmlEntry);
    try {
      parser.decodeKML(in);
    }
 catch (    Exception ex) {
      Logger.getLogger(KmzLoader.class.getName()).log(Level.SEVERE,null,ex);
    }
    List<KmlParser.KmlModel> models=parser.getModels();
    HashMap<URL,String> textureFilesMapping=new HashMap();
    importedModel=new KmzImportedModel(modelURL,models.get(0).getHref(),textureFilesMapping);
    String zipHost=WlzipManager.getWlzipManager().addZip(zipFile);
    ZipResourceLocator zipResource=new ZipResourceLocator(zipHost,zipFile,textureFilesMapping);
    ResourceLocatorTool.addThreadResourceLocator(ResourceLocatorTool.TYPE_TEXTURE,zipResource);
    if (models.size() == 1) {
      importedModel.setModelBG(load(zipFile,models.get(0)));
    }
 else {
      Node modelBG=new Node();
      for (      KmlParser.KmlModel model : models) {
        modelBG.attachChild(load(zipFile,model));
      }
      importedModel.setModelBG(modelBG);
    }
    ResourceLocatorTool.removeThreadResourceLocator(ResourceLocatorTool.TYPE_TEXTURE,zipResource);
    WlzipManager.getWlzipManager().removeZip(zipHost,zipFile);
  }
 catch (  ZipException ex) {
    logger.log(Level.SEVERE,null,ex);
    throw new IOException("String_Node_Str");
  }
catch (  IOException ex) {
    logger.log(Level.SEVERE,null,ex);
    throw ex;
  }
  importedModel.setModelLoader(this);
  importedModel.setImportSettings(settings);
  return importedModel;
}

Fixed version (ground truth):
/** 
 * Load a SketchUP KMZ file and return the ImportedModel object
 * @param file
 * @return
 */
@Override public ImportedModel importModel(ImportSettings settings) throws IOException {
  ImportedModel importedModel;
  URL modelURL=settings.getModelURL();
  if (!modelURL.getProtocol().equalsIgnoreCase("String_Node_Str")) {
    final String modelURLStr=modelURL.toExternalForm();
    SwingUtilities.invokeLater(new Runnable(){
      public void run(){
        JOptionPane.showConfirmDialog(null,"String_Node_Str" + modelURLStr + "String_Node_Str","String_Node_Str",JOptionPane.OK_OPTION);
      }
    }
);
    return null;
  }
  try {
    File f=null;
    try {
      URI uri=modelURL.toURI();
      String path=uri.getPath();
      f=new File(path);
    }
 catch (    URISyntaxException ex) {
      Logger.getLogger(KmzLoader.class.getName()).log(Level.SEVERE,"String_Node_Str" + modelURL.toExternalForm(),ex);
      return null;
    }
    if (f == null) {
      logger.warning("String_Node_Str" + modelURL.toExternalForm());
      JOptionPane.showMessageDialog(null,"String_Node_Str" + modelURL.toExternalForm(),"String_Node_Str",JOptionPane.ERROR_MESSAGE);
      return null;
    }
 else     if (!f.canRead()) {
      logger.warning("String_Node_Str" + f.getAbsolutePath());
      JOptionPane.showMessageDialog(null,"String_Node_Str" + f.getAbsolutePath() + "String_Node_Str","String_Node_Str",JOptionPane.ERROR_MESSAGE);
      return null;
    }
    ZipFile zipFile=null;
    ZipEntry docKmlEntry=null;
    try {
      zipFile=new ZipFile(f);
      docKmlEntry=zipFile.getEntry("String_Node_Str");
    }
 catch (    ZipException ze) {
      logger.log(Level.WARNING,"String_Node_Str" + f.getAbsolutePath(),ze);
      return null;
    }
    KmlParser parser=new KmlParser();
    InputStream in=zipFile.getInputStream(docKmlEntry);
    try {
      parser.decodeKML(in);
    }
 catch (    Exception ex) {
      Logger.getLogger(KmzLoader.class.getName()).log(Level.SEVERE,null,ex);
    }
    List<KmlParser.KmlModel> models=parser.getModels();
    HashMap<URL,String> textureFilesMapping=new HashMap();
    importedModel=new KmzImportedModel(modelURL,models.get(0).getHref(),textureFilesMapping);
    String zipHost=WlzipManager.getWlzipManager().addZip(zipFile);
    ZipResourceLocator zipResource=new ZipResourceLocator(zipHost,zipFile,textureFilesMapping);
    ResourceLocatorTool.addThreadResourceLocator(ResourceLocatorTool.TYPE_TEXTURE,zipResource);
    if (models.size() == 1) {
      importedModel.setModelBG(load(zipFile,models.get(0)));
    }
 else {
      Node modelBG=new Node();
      for (      KmlParser.KmlModel model : models) {
        modelBG.attachChild(load(zipFile,model));
      }
      importedModel.setModelBG(modelBG);
    }
    ResourceLocatorTool.removeThreadResourceLocator(ResourceLocatorTool.TYPE_TEXTURE,zipResource);
    WlzipManager.getWlzipManager().removeZip(zipHost,zipFile);
  }
 catch (  ZipException ex) {
    logger.log(Level.SEVERE,null,ex);
    throw new IOException("String_Node_Str");
  }
catch (  IOException ex) {
    logger.log(Level.SEVERE,null,ex);
    throw ex;
  }
  importedModel.setModelLoader(this);
  importedModel.setImportSettings(settings);
  return importedModel;
}