spring - How can order an List<Map<String, Object>> with PagedListHolder? -

i have pagedlistholder:

list<map<string, object>> list = n value;  pagedlistholder pagedlistholder = new pagedlistholder(list); string sortcolumn = request.getparameter("sidx"); string sord=request.getparameter("sord"); boolean ascending=false; if(sord!=null&&sord.equals("asc")){     ascending=true; } pagedlistholder.setsort(new mutablesortdefinition(sortcolumn, ascending,true)); pagedlistholder.resort(); 

the sordcolumn , sord correct
not work how can solve?
thanks.

try following

list<linkedhashmap<string, object>> list = new arraylist<linkedhashmap<string,object>>();