I am using spring-boot-2.2.1 along with spring-HATEOAS. Hypermedia links are working fine but I see _embedded attribute while returning links, Please find the below code for reference,
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>spring-boot-unittest</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>spring-boot-unittest</name>
<description>Demo project for Spring Boot unit test</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-mongodb</artifactId>
</dependency>
<dependency>
<groupId>com.querydsl</groupId>
<artifactId>querydsl-mongodb</artifactId>
<version>4.1.4</version>
</dependency>
<dependency>
<groupId>com.querydsl</groupId>
<artifactId>querydsl-apt</artifactId>
<version>4.1.4</version>
</dependency>
<!-- Embedded MongoDB for Testing -->
<dependency>
<groupId>de.flapdoodle.embed</groupId>
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-ui</artifactId>
<version>1.2.21</version>
</dependency>
<dependency>
<groupId>org.atteo</groupId>
<artifactId>evo-inflector</artifactId>
<version>1.2.2</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>com.mysema.maven</groupId>
<artifactId>apt-maven-plugin</artifactId>
<version>1.1.3</version>
<executions>
<execution>
<goals>
<goal>process</goal>
</goals>
<configuration>
<outputDirectory>target/generated-sources/java</outputDirectory>
<!--<processor>com.querydsl.mongodb.morphia.MorphiaAnnotationProcessor</processor>-->
<processor>org.springframework.data.mongodb.repository.support.MongoAnnotationProcessor</processor>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
Controller.Java
@RestController
@RequestMapping(value = "/api/v1/capability")
@RequiredArgsConstructor
@CrossOrigin
public class CapabilityController {
private final CapabilityService capabilityService;
private final CapabilityResourceAssembler capabilityResourceAssembler;
@GetMapping(value = "/list")
public CollectionModel<EntityModel<Capability>> getAllCapabilities() {
List<EntityModel<Capability>> capabilities = capabilityService.listCapabilities().stream()
.map(capability -> new EntityModel<>(capability,
linkTo(methodOn(CapabilityController.class).getCapabilityById(capability.getId())).withRel("getThisCapability"),
linkTo(methodOn(CapabilityController.class).getAllCapabilities()).withRel("getAllCapabilities")
)).collect(Collectors.toList());
return new CollectionModel<>(capabilities);
}
}
Actual Response
{
"_embedded": {
"capabilityList": [
{
"id": "sample",
"techStack": "Java",
"numOfDevelopers": 25,
"numOfAvailableDevelopers": 10,
"_links": {
"getThisCapability": {
"href": "http://localhost:8099/api/v1/capability/sample"
},
"getAllCapabilities": {
"href": "http://localhost:8099/api/v1/capability/list"
},
"deleteThisCapability": {
"href": "http://localhost:8099/api/v1/capability/sample"
},
"createCapability": {
"href": "localhost:8099/api/v1/capability"
}
}
}
]
}
}
Expected Response
[
{
"id": "sample",
"techStack": "Java",
"numOfDevelopers": 25,
"numOfAvailableDevelopers": 10,
"_links": {
"getThisCapability": {
"href": "http://localhost:8099/api/v1/capability/sample"
},
"getAllCapabilities": {
"href": "http://localhost:8099/api/v1/capability/list"
}
}
}
]
I tried
spring.data.rest.defaultMediaType = application/json
spring.hateoas.use-hal-as-default-json-media-type=false
But no luck still I am able to see _embedded attribute in the response. Could anyone please help me to identify the issue.
I tried to return List<EntityModel<Capability>> here I couldn't see _embedded but _links are renamed to links and the links are not rendered properly. In the older versions, it was absolutely working fine with List
Sample response for List<EntityModel<Capability>>
[
{
"id": "sample",
"techStack": "Java",
"numOfDevelopers": 25,
"numOfAvailableDevelopers": 10,
"links": [
{
"rel": "getThisCapability",
"href": "http://localhost:8099/api/v1/capability/sample"
},
{
"rel": "getAllCapabilities",
"href": "http://localhost:8099/api/v1/capability/list"
}
]
}
]
Please find the stackoverflow question here
I also tagged spring-boot but no reply so for.
Any help would be really appreciated.
Comment From: wilkinsona
I see someone is already trying to help you on Stack Overflow. To avoid duplicating effort, it’s better to keep the discussion in one place so I am going to close this issue for now. We can re-open it if it turns out that a change in Spring Boot is required.
You’ve said above that “In the older versions, it was absolutely working fine with List
Comment From: VelDeveloper
@wilkinsona I didn't get an answer in stack-overflow as well. That's the reason I posted the question in the official forum. Could you please help me to resolve the issue instead of forwarding to StackOverflow or could you please answer it in StackOverflow. Maybe a hint would be really helpful.
Comment From: snicoll
That's the reason I posted the question in the official forum.
The issue template that was available when you created this issue mentions that we prefer not to use this issue tracker for questions. This is also mentioned in the guidelines for contributing. Please review those before contributing again.
Maybe a hint would be really helpful.
I believe Andy gave you one already. If you provide the sample he requested on your SO question, you'll increase your chances to get an answer quickly.
Comment From: VelDeveloper
@wilkinsona @snicoll I have updated the question in StackOverflow as per @wilkinsona request. Could you please help with it? In the older version(1.5.10) of spring-boot, it is working fine after I add @EnableHypermediaSupport(type = EnableHypermediaSupport.HypermediaType.HAL) but in the new version of spring-boot(2.2.1), it stopped working. Any help would be really appreciated.
Comment From: yerzhant
On SB 2.2.0.RELEASE in responses there were _embedded fields, but after upgrading to 2.2.5.RELEASE it has disappeared. After sequential downgrading found out that in 2.2.1.RELEASE the field has disappeared.
My frontend is relying on values on the fields inside the _embedded field.
Comment From: wilkinsona
@yerzhant You have the opposite problem to the one reported here and on Stack Overflow. If you believe that you have found a bug, please open a new issue and provide a minimal sample that reproduces the problem either as a zip attached to this issue or pushed to a separate repository.