springboot How can I show error details in 2.3.x?

After upgrading to 2.3. X.release, the default validation was removed. After I manually added the spring-boot-starter-validation dependency, I found result was different . Before:

{
    "timestamp": "2020-06-09T06:30:56.456+0000",
    "status": 400,
    "error": "Bad Request",
    "errors": [
        {
            "codes": [
                "NotBlank.testClass.name",
                "NotBlank.name",
                "NotBlank.java.lang.String",
                "NotBlank"
            ],
            "arguments": [
                {
                    "codes": [
                        "testClass.name",
                        "name"
                    ],
                    "arguments": null,
                    "defaultMessage": "name",
                    "code": "name"
                }
            ],
            "defaultMessage": "不能为空",
            "objectName": "testClass",
            "field": "name",
            "rejectedValue": null,
            "bindingFailure": false,
            "code": "NotBlank"
        }
    ],
    "message": "Validation failed for object='testClass'. Error count: 1",
    "path": "/test"
}

Now:

{
    "timestamp": "2020-06-09T07:19:29.794+00:00",
    "status": 400,
    "error": "Bad Request",
    "message": "",
    "path": "/test"
}

What can I do to make the result the same as before?

Comment From: snicoll

@qq253498229 please review the release notes before upgrading.

The validation starter change is covered in a dedicated section and so is the change in output.

Comment From: qq253498229

@qq253498229 please review the release notes before upgrading.

The validation starter change is covered in a dedicated section and so is the change in output.

Thanks a lot, it solved my problem.