Merge pull request #2004 from dotCMS/issue-1970-saved-only-content-no…

…t-saving-cats

fixes #1970

src/com/dotmarketing/portlets/categories/business/CategoryFactoryImpl.java

@@ -284,7 +284,7 @@ protected List<Category> getParents(Categorizable child) throws DotDataException
 
 		List<String> parentIds = catCache.getParents(child);
 		List<Category> parents = null;
-		if( parentIds == null  ) {
+		if( parentIds == null || parentIds.isEmpty() ) {
 			HibernateUtil hu = new HibernateUtil(Category.class);
 			hu.setSQLQuery("select {category.*} from inode category_1_, category, tree " +
 					"where tree.child = ? and tree.parent = category.inode and category_1_.inode = category.inode " +