content: package com.alibaba.fastjson.issue_1500;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.TypeReference;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class Issue1583 {
      @Test
      public void test_issue() throws Exception {
          Map<String, List<String>> totalMap = new HashMap<String, List<String>>();
          for (int i = 0; i < 10; i++) {
              List<String> list = new ArrayList<String>();
              for (int j = 0; j < 2; j++) {
                  list.add("list" + j);
              }
              totalMap.put("map" + i, list);
          }
          List<Map.Entry<String, List<String>>> mapList = new ArrayList<Map.Entry<String, List<String>>>(totalMap.entrySet());
          String jsonString = JSON.toJSONString(mapList, SerializerFeature.DisableCircularReferenceDetect);
  
          System.out.println(jsonString);
          List<Map.Entry<String, List<String>>> parse = JSON.parseObject(jsonString, new TypeReference<List<Map.Entry<String, List<String>>>>() {
          });
          System.out.println(parse);
      }
  }
  