JsonMappingException can not deserialize instance of java.lang.Integer

Question

I am trying to insert object in my database but i am getting this error

Failed to read HTTP message: org.springframework.http.converter.HttpMessageNotReadableException: Could not read document: Can not deserialize instance of java.lang.Integer out of VALUE_TRUE token
 at [Source: java.io.PushbackInputStream@745b0b15; line: 1, column: 353] (through reference chain: com.example.beans.Domain["isActive"]); nested exception is com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of java.lang.Integer out of VALUE_TRUE token
 at [Source: java.io.PushbackInputStream@745b0b15; line: 1, column: 353] (through reference chain: com.example.beans.Domain["isActive"])

my code is:

@Entity
public class Domain implements Serializable{

    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Integer id;
    ...
    private Integer isActive;

    public Integer getIs_active() {
        return isActive;
    }
    public void setIs_active(Integer is_active) {
        this.isActive = is_active;
    }

Integar is scalar, try to get the "String" value for json. Check this thread github.com/FasterXML/jackson-dataformat-xml/issues/139 — Sheetal Mohan Sharma
– Sheetal Mohan Sharma, Commented Oct 4, 2016 at 9:03

mhasan · Accepted Answer · 2016-10-04 09:01:49Z

3

I believe your JSON for isActive is of boolean isActive : true It is expecting to be of type boolean not integer. This is makes your Jackson

Change your private Integer isActive; to private boolean isActive;

answered Oct 4, 2016 at 9:01

mhasan

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Issam El-atif · Accepted Answer · 2016-10-04 09:04:29Z

0

Your getter and setter methods for isActive should be getIsActive and setIsActive without underscore

public Integer getIsActive() {
        return isActive;
}

public void setIsActive(Integer is_active) {
        this.isActive = is_active;
}

answered Oct 4, 2016 at 9:04

Issam El-atif

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Ahmed Salem · Accepted Answer · 2019-01-02 05:46:11Z

0

If you are trying to test the API throw postman you , And if you have only on input of type integer you should send it direct to body without json object braces.

Check below images for more details

answered Jan 2, 2019 at 5:46

Ahmed Salem

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