aws / aws/serverless-java-container
Is it possible to inject custom classes into the controller
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- Java
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Description
*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)
```
Guide de contribution
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Piste de recherche
Commencez par reproduire l’échec de l’injection avec serverless-java-container 1.6.1, Jersey 2.34 et l’exemple CustomerResource fourni. Examinez l’intégration de Jersey et les indications relatives à l’enregistrement des dépendances ; le travail est terminé lorsqu’une manière prise en charge d’injecter des classes de portée application ou request est établie, ou lorsqu’il est documenté que cette configuration n’est pas prise en charge.
Rédigé par le modèle d'indexation à partir du texte de l'issue.
Évaluation
- Stack technique
- aws, java
- Domaine
- api, backend
- Type d'issue
- Bug
- Difficulté
- 4/5
- Temps estimé
- 3-5 jours
- Activité
- À l'abandon
- Clarté
- À clarifier
- Accessibilité débutants
- 25/100