Java8 当 Lambda 遇上受检异常

public List
    
      bulkInsert() {    //返回没有添加成功的id信息    List
     
       errorList = new ArrayList
      
       ();    try{        SupplierDto dto = new SupplierDto();        dto.setIsDel((byte)0);        int count = supplierDao.countList(dto);        int pageSize = 100;        int pageCount = count % pageSize == 0? count/pageSize: count/pageSize + 1 ;        for(int i = 1 ; i <= pageCount ; i++ ){            Pager pager = new Pager(pageSize , i);            dto.setPager(pager);            List
       
         list = supplierDao.findList(dto);            List
        
          collect = list.stream().map(item -> {                try{                   return JsonUtils.obj2Str(item);                }catch (Exception e){                    e.printStackTrace();                    errorList.add(item.getId().toString());                }                return null;            }).filter(line -> line != null).collect(Collectors.toList());            //批量插入数据            List
         
           strings = esSupplierService.bulkInsert(collect); if(strings.size() > 0){ errorList.addAll(strings); } } return errorList; }catch (Exception e){ logger.error(e.toString()); throw new ServiceException(APICode.BATCH_ADD_ERROR); }}