aws / aws/serverless-java-container

Is it possible to inject custom classes into the controller

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Descripción

*To help us debug your issue fill in the basic information below using the options provided*

*Serverless Java Container version*: `1.6.1`

*Implementations:* `Jersey`

*Framework version:* `Jersey 2.34`

*Frontend service:* `REST API`

*Deployment method:* `Console`

## Scenario
*I'm wondering if it's possible to use @Inject for my own classes in the REST controllers? A RequestScoped or ApplicationScoped bean.*

## Actual behavior
*I get an exception that the class couldn't be injected*

```@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("customers")
@RequestScoped
public class CustomerResource {

@Inject
private Database database;

public CustomerResource() {

}

@GET
public Response getAllCustomers() {
List customers = database.getCustomers();
return Response.ok(customers).build();
}
}```

```
org.glassfish.hk2.api.UnsatisfiedDependencyException: There was no object available for injection at SystemInjecteeImpl(requiredType=Database,parent=CustomerResource,qualifiers={},position=-1,optional=false,self=false,unqualified=null,766696861)
at org.jvnet.hk2.internal.ThreeThirtyResolver.resolve(ThreeThirtyResolver.java:51)
at org.jvnet.hk2.internal.ClazzCreator.resolve(ClazzCreator.java:188)
at org.jvnet.hk2.internal.ClazzCreator.resolveAllDependencies(ClazzCreator.java:211)
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:334)
at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:463)
at org.glassfish.jersey.inject.hk2.RequestContext.findOrCreate(RequestContext.java:59)
at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2102)
at org.jvnet.hk2.internal.ServiceLocatorImpl.internalGetService(ServiceLocatorImpl.java:758)
at org.jvnet.hk2.internal.ServiceLocatorImpl.internalGetService(ServiceLocatorImpl.java:721)
at org.jvnet.hk2.internal.ServiceLocatorImpl.getService(ServiceLocatorImpl.java:691)
at org.glassfish.jersey.inject.hk2.AbstractHk2InjectionManager.getInstance(AbstractHk2InjectionManager.java:160)
at org.glassfish.jersey.inject.hk2.ImmediateHk2InjectionManager.getInstance(ImmediateHk2InjectionManager.java:30)
at org.glassfish.jersey.internal.inject.Injections.getOrCreate(Injections.java:105)
at org.glassfish.jersey.server.model.MethodHandler$ClassBasedMethodHandler.getInstance(MethodHandler.java:260)
at org.glassfish.jersey.server.internal.routing.PushMethodHandlerRouter.apply(PushMethodHandlerRouter.java:51)
at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:86)
at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:89)
at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:89)
at org.glassfish.jersey.server.internal.routing.RoutingStage._apply(RoutingStage.java:89)
at org.glassfish.jersey.server.internal.routing.RoutingStage.apply(RoutingStage.java:69)
at org.glassfish.jersey.server.internal.routing.RoutingStage.apply(RoutingStage.java:38)
at org.glassfish.jersey.process.internal.Stages.process(Stages.java:173)
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:247)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:234)
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:680)
```

Guía de contribución

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Línea de trabajo

Empieza reproduciendo el fallo de inyección con serverless-java-container 1.6.1, Jersey 2.34 y el ejemplo mostrado de CustomerResource. Inspecciona la integración de Jersey y las indicaciones sobre el registro de dependencias; se considera terminado cuando se haya establecido una forma compatible de inyectar clases con ámbito de aplicación o de solicitud, o se haya documentado que esta configuración no es compatible.

Escrito por el modelo de indexación a partir del texto del issue.

Evaluación

Stack tecnológico
aws, java
Área
api, backend
Tipo de issue
Error
Dificultad
4/5
Tiempo estimado
3-5 días
Estado de actividad
Estancado
Claridad
Necesita aclaración
Aptitud para principiantes
25/100

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