java.util.ConcurrentModificationException

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.util.ConcurrentModificationException
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:894)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)

.......

          List<Goods>g_list = goods.getSupplier().getStore().getGoods_list();
                for (Goods g :g_list ) {
                    if(g.getGoods_status()!=0){
                        g_list.remove(g);
                    }
                }
            vo.setVo_goods_num(g_list.size());

不能在遍历集合的时候修改或删除集合元素