![Questions Tagged [Fastjson]](https://docuprint.cloud68.co/uploads/questions-tagged-fastjson_1200.jpg)
A fast JSON parser/generator for Java, or a smallest, fastest polymorphic JSON serializer for C#.
23
questions with no upvoted or accepted answers
2
votes
0
answers
580
views
fastjson can't correctly transfer complex object or the cast I use is wrong?
fastjson can't correctly transfer complex object or the cast I use is wrong.
I find a question in my project.so write a test like this:
import com.alibaba.fastjson.JSONObject;
import java.io....
1
vote
0
answers
165
views
change values during Jackson serialization, like ValueFileter for fastjson
When I serialize a string value if it's too long, I want to change it to another value.
If use FastJSON, you can use ValueFilter do it.
String jsonStr = "{\"key1\":\"...
1
vote
0
answers
97
views
How to deserialize a list to a map using fastmap
I have a JSON that has a list of objects inside another object, something like:
{
"name":"name",
"processes":[
{
"id":123,
"...
1
vote
2
answers
264
views
Deserialized part data using fastJSON fail
I want deserialized part data using fastJSON fail.
class A {
public String a;
}
The data
{"a": "a",
"b": "b"
}
Use
A objectA = JSON.parseObject(data, A.class)
get objectA, but the field ...
1
vote
1
answer
2k
views
How to ignore params when `parseObject` in fastjson?
I use the fastjson to deal with the JSON. When I was trying to derialize the JSON string to a bean, I got an exception. I debuged into the code and find out there was something wrong with a param when ...
1
vote
0
answers
231
views
fastJSON exception 'Serializer encountered maximum depth of 20'
I'm using fastjson to serialize an object before I pass it back from my controller to my $.post call in javascript, but I'm getting this error and I don't know why.
The exception is being thrown when ...
1
vote
0
answers
505
views
How do I use the deserialized data using fastJSON?
I've got this code that retrieves json data from a WebAPI method and then puts it in a string:
const string uri = "";
var webRequest = (HttpWebRequest)WebRequest....
0
votes
0
answers
25
views
Including fast-json in the Java agent has affected the normal serialization process of the application using fast-json
In the Java-agent I implemented, after introducing the following dependencies:
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</...
0
votes
0
answers
74
views
dubbo use fastjson2 Serialize error autotype not support
java.io.IOException: org.apache.dubbo.common.serialize.SerializationException: com.alibaba.fastjson2.JSONException: auotype not support
when provider return a generics dto,the server throw this ...
0
votes
0
answers
81
views
Why can't this text be parsed through fastjson2?
import com.alibaba.fastjson2.JSONArray
JSONArray.parseArray(str).toString()
I use the toString method of fastjson2 to parse this JSON string, but I will encounter an error:
Caused by: java.lang....
0
votes
0
answers
479
views
Parse map like json string into class by fastjson/jackson
Consider a json:
{
"data": {
"key1": {
"t1":"text1",
"t2":"text1",
},
"key2": {
"t1":&...
0
votes
1
answer
777
views
De-serializing Exception with FastJSON: Can not set field to java.lang.Exception
I'm using FastJSON to serialize and de-serialize some classes. However, I've found a combination that doesn't work: An exception that contains holds a reference to an object from another class cannot ...
0
votes
1
answer
503
views
How to parse json to an object extends HashMap use fastjson in java?
I have a json, two custom beans, one of which extends HashMap. While I use com.alibaba.fastjson.JSON to parse json into the object extends HashMap and call the get method, it will get a ...
0
votes
1
answer
36
views
Why is fastJSON deserialisation complete in unit test but one property and its properties not populated when live?
I have a very weird situation which I am finding impossible to resolve, so any guidance would be much appreciated.
I am retrieving the results of a VAT Number Search from HMRC via their API, and it is ...
0
votes
2
answers
751
views
Fastjson deserialize returns null
This is the json file:{"Type": "File", "File_Name": "tempfile.fasttext", "File_Size": 15}
i use Fastjson to deserialize it and show the items..but
public static void deserializejson(String json){
...
