invparam.params=params;
invparam.fields=fields;
invparam.base=base;
invparam.req=req;
invparam.isdetail=isdetail;
IndexReader.InvertResult result=reader.invertScan(searcher.getSchema(), invparam);
ArrayList<NamedList> resultlist=result.getResult();
Map<Long,String> crcvalue=new HashMap<Long,String>();
for(NamedList nl:resultlist)