Program: 90563
Project: 90563
Buggy source:
@PluginFactory public static ScriptFile createScript(@PluginAttribute("String_Node_Str") String name,@PluginAttribute("String_Node_Str") String language,@PluginAttribute("String_Node_Str") final String filePathOrUri,@PluginAttribute("String_Node_Str") final Boolean isWatched,@PluginAttribute("String_Node_Str") final Charset charset){
  if (filePathOrUri == null) {
    logger.error("String_Node_Str");
    return null;
  }
  if (name == null) {
    name=filePathOrUri;
  }
  final URI uri=NetUtils.toURI(filePathOrUri);
  final File file=FileUtils.fileFromUri(uri);
  if (language == null && file != null) {
    String fileExtension=FileUtils.getFileExtension(file);
    if (fileExtension != null) {
      ExtensionLanguageMapping mapping=ExtensionLanguageMapping.getByExtension(fileExtension);
      if (mapping != null) {
        language=mapping.getLanguage();
      }
    }
  }
  if (language == null) {
    logger.info("String_Node_Str",DEFAULT_LANGUAGE);
    language=DEFAULT_LANGUAGE;
  }
  final Charset actualCharset=charset == null ? Charset.defaultCharset() : charset;
  String scriptText;
  try (final Reader reader=new InputStreamReader(file != null ? new FileInputStream(file) : uri.toURL().openStream(),actualCharset)){
    scriptText=IOUtils.toString(reader);
  }
 catch (  IOException e) {
    logger.error("String_Node_Str",e.getClass().getSimpleName(),language,filePathOrUri,actualCharset);
    return null;
  }
  Path path=file != null ? Paths.get(file.toURI()) : Paths.get(uri);
  if (path == null) {
    logger.error("String_Node_Str",uri.toString());
    return null;
  }
  return new ScriptFile(name,path,language,isWatched == null ? Boolean.FALSE : isWatched,scriptText);
}

Fixed version (ground truth):
@PluginFactory public static ScriptFile createScript(@PluginAttribute("String_Node_Str") String name,@PluginAttribute("String_Node_Str") String language,@PluginAttribute("String_Node_Str") final String filePathOrUri,@PluginAttribute("String_Node_Str") final Boolean isWatched,@PluginAttribute("String_Node_Str") final Charset charset){
  if (filePathOrUri == null) {
    LOGGER.error("String_Node_Str");
    return null;
  }
  if (name == null) {
    name=filePathOrUri;
  }
  final URI uri=NetUtils.toURI(filePathOrUri);
  final File file=FileUtils.fileFromUri(uri);
  if (language == null && file != null) {
    String fileExtension=FileUtils.getFileExtension(file);
    if (fileExtension != null) {
      ExtensionLanguageMapping mapping=ExtensionLanguageMapping.getByExtension(fileExtension);
      if (mapping != null) {
        language=mapping.getLanguage();
      }
    }
  }
  if (language == null) {
    LOGGER.info("String_Node_Str",DEFAULT_LANGUAGE);
    language=DEFAULT_LANGUAGE;
  }
  final Charset actualCharset=charset == null ? Charset.defaultCharset() : charset;
  String scriptText;
  try (final Reader reader=new InputStreamReader(file != null ? new FileInputStream(file) : uri.toURL().openStream(),actualCharset)){
    scriptText=IOUtils.toString(reader);
  }
 catch (  IOException e) {
    LOGGER.error("String_Node_Str",e.getClass().getSimpleName(),language,filePathOrUri,actualCharset);
    return null;
  }
  Path path=file != null ? Paths.get(file.toURI()) : Paths.get(uri);
  if (path == null) {
    LOGGER.error("String_Node_Str",uri.toString());
    return null;
  }
  return new ScriptFile(name,path,language,isWatched == null ? Boolean.FALSE : isWatched,scriptText);
}