Program: 46943
Project: 46943
Buggy source:
@Override public void invoke(Context context,Result result){
  Object object=result.getRenderable();
  Map map;
  if (object == null) {
    map=Maps.newHashMap();
  }
 else   if (object instanceof Map) {
    map=(Map)object;
  }
 else {
    String realClassNameLowerCamelCase=CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL,object.getClass().getSimpleName());
    map=Maps.newHashMap();
    map.put(realClassNameLowerCamelCase,object);
  }
  Optional<String> language=lang.getLanguage(context,Optional.of(result));
  if (language.isPresent()) {
    map.put("String_Node_Str",language.get());
  }
  if (!context.getSession().isEmpty()) {
    map.put("String_Node_Str",context.getSession().getData());
  }
  map.put("String_Node_Str",context.getContextPath());
  map.put("String_Node_Str",new TemplateEngineFreemarkerI18nMethod(messages,context,result));
  Optional<String> requestLang=lang.getLanguage(context,Optional.of(result));
  Locale locale=lang.getLocaleFromStringOrDefault(requestLang);
  map.put("String_Node_Str",new TemplateEngineFreemarkerPrettyTimeMethod(locale));
  map.put("String_Node_Str",templateEngineFreemarkerReverseRouteMethod);
  map.put("String_Node_Str",templateEngineFreemarkerAssetsAtMethod);
  map.put("String_Node_Str",templateEngineFreemarkerWebJarsAtMethod);
  map.put("String_Node_Str",new TemplateEngineFreemarkerAuthenticityTokenDirective(context));
  map.put("String_Node_Str",new TemplateEngineFreemarkerAuthenticityFormDirective(context));
  Map<String,String> translatedFlashCookieMap=Maps.newHashMap();
  for (  Entry<String,String> entry : context.getFlashScope().getCurrentFlashCookieData().entrySet()) {
    String messageValue=null;
    Optional<String> messageValueOptional=messages.get(entry.getValue(),context,Optional.of(result));
    if (!messageValueOptional.isPresent()) {
      messageValue=entry.getValue();
    }
 else {
      messageValue=messageValueOptional.get();
    }
    translatedFlashCookieMap.put(entry.getKey(),messageValue);
  }
  map.put("String_Node_Str",translatedFlashCookieMap);
  String templateName=templateEngineHelper.getTemplateForResult(context.getRoute(),result,this.fileSuffix);
  Template freemarkerTemplate=null;
  try {
    freemarkerTemplate=cfg.getTemplate(templateName);
  }
 catch (  IOException iOException) {
    logger.error("String_Node_Str",templateName,iOException);
    throw new RuntimeException(iOException);
  }
  ResponseStreams responseStreams=context.finalizeHeaders(result);
  try {
    StringWriter buffer=new StringWriter(64 * 1024);
    freemarkerTemplate.process(map,buffer);
    Writer writer=responseStreams.getWriter();
    writer.write(buffer.toString());
    writer.close();
  }
 catch (  Exception e) {
    logger.error("String_Node_Str",templateName,e);
    throw new RuntimeException(e);
  }
}

Fixed version (ground truth):
@Override public void invoke(Context context,Result result){
  Object object=result.getRenderable();
  Map map;
  if (object == null) {
    map=Maps.newHashMap();
  }
 else   if (object instanceof Map) {
    map=(Map)object;
  }
 else {
    String realClassNameLowerCamelCase=CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL,object.getClass().getSimpleName());
    map=Maps.newHashMap();
    map.put(realClassNameLowerCamelCase,object);
  }
  Optional<String> language=lang.getLanguage(context,Optional.of(result));
  if (language.isPresent()) {
    map.put("String_Node_Str",language.get());
  }
  if (!context.getSession().isEmpty()) {
    map.put("String_Node_Str",context.getSession().getData());
  }
  map.put("String_Node_Str",context.getContextPath());
  map.put("String_Node_Str",new TemplateEngineFreemarkerI18nMethod(messages,context,result));
  Optional<String> requestLang=lang.getLanguage(context,Optional.of(result));
  Locale locale=lang.getLocaleFromStringOrDefault(requestLang);
  map.put("String_Node_Str",new TemplateEngineFreemarkerPrettyTimeMethod(locale));
  map.put("String_Node_Str",templateEngineFreemarkerReverseRouteMethod);
  map.put("String_Node_Str",templateEngineFreemarkerAssetsAtMethod);
  map.put("String_Node_Str",templateEngineFreemarkerWebJarsAtMethod);
  map.put("String_Node_Str",new TemplateEngineFreemarkerAuthenticityTokenDirective(context));
  map.put("String_Node_Str",new TemplateEngineFreemarkerAuthenticityFormDirective(context));
  Map<String,String> translatedFlashCookieMap=Maps.newHashMap();
  for (  Entry<String,String> entry : context.getFlashScope().getCurrentFlashCookieData().entrySet()) {
    String messageValue=null;
    Optional<String> messageValueOptional=messages.get(entry.getValue(),context,Optional.of(result));
    if (!messageValueOptional.isPresent()) {
      messageValue=entry.getValue();
    }
 else {
      messageValue=messageValueOptional.get();
    }
    translatedFlashCookieMap.put(entry.getKey(),messageValue);
  }
  map.put("String_Node_Str",translatedFlashCookieMap);
  String templateName=templateEngineHelper.getTemplateForResult(context.getRoute(),result,this.fileSuffix);
  Template freemarkerTemplate=null;
  try {
    freemarkerTemplate=cfg.getTemplate(templateName);
  }
 catch (  IOException iOException) {
    logger.error("String_Node_Str",templateName,iOException);
    throw new RuntimeException(iOException);
  }
  try {
    StringWriter buffer=new StringWriter(64 * 1024);
    freemarkerTemplate.process(map,buffer);
    ResponseStreams responseStreams=context.finalizeHeaders(result);
    Writer writer=responseStreams.getWriter();
    writer.write(buffer.toString());
    writer.close();
  }
 catch (  Exception e) {
    logger.error("String_Node_Str",templateName,e);
    throw new RuntimeException(e);
  }
}