content: package com.alibaba.fastjson2.issues;
  
  import com.alibaba.fastjson2.*;
  import lombok.Data;
  import org.junit.jupiter.api.Test;
  
  import java.net.URL;
  import java.nio.charset.StandardCharsets;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  public class Issue647 {
      @Test
      public void test() {
          URL url = Issue647.class.getClassLoader().getResource("issues/issue647.json");
          JSONObject jsonObject = JSON.parseObject(url);
          assertNotNull(jsonObject);
      }
  
      @Test
      public void testUrl() throws Exception {
          URL url = Issue647.class.getClassLoader().getResource("issues/issue647.json");
          JSONReader jsonReader = JSONReader.of(url, JSONFactory.createReadContext());
          JSONObject jsonObject = (JSONObject) jsonReader.readObject();
          assertNotNull(jsonObject);
      }
  
      @Test
      public void test1() {
          String str = "{\"item\":[{\"id\":101}]";
  
          Exception error = null;
          try {
              char[] chars = str.toCharArray();
              JSON.parseObject(chars, 0, chars.length, Bean.class);
          } catch (JSONException e) {
              error = e;
          }
          assertNotNull(error);
          assertTrue(error.getMessage().contains("item"));
  
          error = null;
          try {
              byte[] bytes = str.getBytes(StandardCharsets.UTF_8);
              JSON.parseObject(bytes, 0, bytes.length, Bean.class);
          } catch (JSONException e) {
              error = e;
          }
          assertNotNull(error);
          assertTrue(error.getMessage().contains("item"));
  
          error = null;
          try {
              byte[] bytes = str.getBytes(StandardCharsets.UTF_8);
              JSONReader jsonReader = JSONReader.of(bytes, 0, bytes.length, StandardCharsets.US_ASCII);
              jsonReader.read(Bean.class);
          } catch (JSONException e) {
              error = e;
          }
          assertNotNull(error);
          assertTrue(error.getMessage().contains("item"));
      }
  
      public static class Bean {
          public Item item;
      }
  
      public static class Item {
          public int id;
      }
  
      @Test
      public void test2() {
          String str = "{\"@type\":\"com.alibaba.fastjson2.issues.Issue647$TradeDTO\"," +
                  "\"storeCoupons\": {\n" +
                  "        \"@type\": \"java.util.HashMap\"\n" +
                  "    },\n" +
                  "    \"storeRemark\": [\n" +
                  "        {\n" +
                  "            \"remark\": \"\",\n" +
                  "            \"storeId\": \"1514499072599498753\"\n" +
                  "        }\n" +
                  "    ]" +
                  "}";
          TradeDTO bean2 = (TradeDTO) JSON.parseObject(str, Object.class, JSONReader.Feature.SupportAutoType);
          assertEquals("1514499072599498753", bean2.storeRemark.get(0).storeId);
      }
  
      public static class TradeDTO {
          public Object storeCoupons;
          public List<StoreRemarkDTO> storeRemark;
      }
  
      @Data
      public static class StoreRemarkDTO {
          private String storeId;
          private String remark;
      }
  }
  