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Description
When deploying a restlet application inside of a docker container to a k8s cluster behind the nginx l7 ingress controller HTTP POST actions return a 422 error.
If you expose a port on the host in the cluster and connect without using the nginx ingress controller POST actions work.
This issue is not present in 2.3.12 and rolling back is how I am mitigating the issue.
Here are the restlet dependencies used in my pom
<dependency>
<groupId>org.restlet.jse</groupId>
<artifactId>org.restlet</artifactId>
<version>${restlet-version}</version>
</dependency>
<dependency>
<groupId>org.restlet.jse</groupId>
<artifactId>org.restlet.ext.jackson</artifactId>
<version>${restlet-version}</version>
</dependency>
<dependency>
<groupId>org.restlet.jse</groupId>
<artifactId>org.restlet.ext.jetty</artifactId>
<version>${restlet-version}</version>
</dependency>
<dependency>
<groupId>org.restlet.jse</groupId>
<artifactId>org.restlet.ext.slf4j</artifactId>
<version>${restlet-version}</version>
</dependency>Here is an example of a failing resource.
ApiResource is a public abstract class ApiResource extends ServerResource class that has protected helper functions.
public class RegisterResource extends ApiResource {
private final ApplicationUserRegistrationService userRegistrationService;
@Inject
public RegisterResource(ApplicationUserRegistrationService userRegistrationService) {
this.userRegistrationService = userRegistrationService;
}
@Post("json")
public boolean register(RegistrationCredentialsDto creds) {
var user = userRegistrationService.attemptRegisterNewUser(creds);
if(user != null) {
this.setStatus(Status.SUCCESS_CREATED);
return true;
}
this.setStatus(Status.CLIENT_ERROR_CONFLICT);
return false;
}
}