}catch (Throwable t) {
pageItem.setThumbnail(ImageUtility.getErrorImage());
log.error(GettextResource.gettext(Configuration.getInstance().getI18nResourceBundle(),"Unable to generate thumbnail"),t);
}finally{
if(graphics!=null){
graphics.dispose();
}
pdPage = null;
}
((VisualListModel)panel.getThumbnailList().getModel()).elementChanged(pageItem);
}