Program: 90704
Project: 90704
Buggy source:
/** 
 * Constructs an instance.
 * @param container  the portlet container.
 * @param portletWindow  the internal portlet window.
 * @param request  the internal portlet request.
 * @param methodId  the request method ID: render request or action request.
 */
public PortletPreferencesImpl(PortletContainer container,InternalPortletWindow window,InternalPortletRequest request,Integer methodId){
  this.window=window;
  this.request=request;
  this.methodId=methodId;
  preferencesService=container.getOptionalContainerServices().getPortletPreferencesService();
  if (LOG.isDebugEnabled()) {
    LOG.debug("String_Node_Str" + preferencesService.getClass().getName());
  }
  PortletEntity entity=window.getPortletEntity();
  defaultPreferences=entity.getDefaultPreferences();
  for (int i=0; i < defaultPreferences.length; i++) {
    preferences.put(defaultPreferences[i].getName(),(PortletPreference)defaultPreferences[i].clone());
  }
  if (LOG.isDebugEnabled()) {
    LOG.debug("String_Node_Str" + toString());
  }
  try {
    PortletPreference[] storedPreferences=preferencesService.getStoredPreferences(window,request);
    for (int i=0; i < storedPreferences.length; i++) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("String_Node_Str" + storedPreferences[i].getName());
      }
      preferences.put(storedPreferences[i].getName(),storedPreferences[i]);
    }
    store();
  }
 catch (  PortletContainerException ex) {
    LOG.error("String_Node_Str",ex);
  }
catch (  IOException ex) {
    LOG.error("String_Node_Str",ex);
  }
catch (  ValidatorException ex) {
    LOG.warn("String_Node_Str" + "String_Node_Str" + "String_Node_Str",ex);
  }
  if (LOG.isDebugEnabled()) {
    LOG.debug("String_Node_Str" + toString());
  }
}

Fixed version (ground truth):
/** 
 * Constructs an instance.
 * @param container  the portlet container.
 * @param portletWindow  the internal portlet window.
 * @param request  the internal portlet request.
 * @param methodId  the request method ID: render request or action request.
 */
public PortletPreferencesImpl(PortletContainer container,InternalPortletWindow window,InternalPortletRequest request,Integer methodId){
  this.window=window;
  this.request=request;
  this.methodId=methodId;
  preferencesService=container.getOptionalContainerServices().getPortletPreferencesService();
  if (LOG.isDebugEnabled()) {
    LOG.debug("String_Node_Str" + preferencesService.getClass().getName());
  }
  PortletEntity entity=window.getPortletEntity();
  defaultPreferences=entity.getDefaultPreferences();
  for (int i=0; i < defaultPreferences.length; i++) {
    preferences.put(defaultPreferences[i].getName(),(PortletPreference)defaultPreferences[i].clone());
  }
  if (LOG.isDebugEnabled()) {
    LOG.debug("String_Node_Str" + toString());
  }
  try {
    PortletPreference[] storedPreferences=preferencesService.getStoredPreferences(window,request);
    for (int i=0; i < storedPreferences.length; i++) {
      if (LOG.isDebugEnabled()) {
        LOG.debug("String_Node_Str" + storedPreferences[i].getName());
      }
      preferences.put(storedPreferences[i].getName(),storedPreferences[i]);
    }
    internalStore();
  }
 catch (  PortletContainerException ex) {
    LOG.error("String_Node_Str",ex);
  }
catch (  IOException ex) {
    LOG.error("String_Node_Str",ex);
  }
catch (  ValidatorException ex) {
    LOG.warn("String_Node_Str" + "String_Node_Str" + "String_Node_Str",ex);
  }
  if (LOG.isDebugEnabled()) {
    LOG.debug("String_Node_Str" + toString());
  }
}