Hi Nick,
Please use the users mailing list for this kind of question (dev
mailing list is more for discussions between Karaf developers).
FYI,, I think I already replied to you as private message :)
Regards
JB
On Tue, Jun 6, 2023 at 3:31 PM z8...@yahoo.com.ar.INVALID
<z8...@yahoo.com.ar.invalid> wrote:
>
> I'm trying to understand how those annotations work.I have the following
> Activator.class and MyConf.class in the same bundle.
> The Activator code:
> @Component@Slf4jpublic class Activator implements BundleActivator,
> ManagedService {
> private static Logger logger =
> LoggerFactory.getLogger(Activator.class);private static final String
> CONFIG_PID = "mytest";private ServiceRegistration serviceReg;
> @Referenceprivate MyConf conf; public void start(BundleContext context) {
> Hashtable<String, Object> properties = new Hashtable<String,
> Object>();properties.put(Constants.SERVICE_PID, CONFIG_PID);serviceReg =
> context.registerService(ManagedService.class.getName(), this , properties); }
> public void stop(BundleContext context) {serviceReg.unregister(); }
> @SuppressWarnings("rawtypes") @Override public void
> updated(Dictionary config) throws ConfigurationException {if (config == null)
> {return;}conf.setFoo((String) config.get("foo"));conf.refresh(); }
>
> and MyConf:
> @Componentpublic class MyConf {private String foo = "bar";public MyConf()
> {}public String getFoo() {return foo;}
> public void setFoo(String foo) {this.foo = foo;}public void refresh()
> {System.out.println("foo=" + this.foo);}
> }
> It seems pretty basic, but when I deploy it in Karaf says:
> Status: WaitingDeclarative
> Servicesar.com.aerolineas.esb.operaciones.pruebas.Activator (21) missing
> references: conf
> and in the log, there's a NullPointerException at conf.setFoo in the
> Activator, as if the framework never instantiate + inject MyConf. Am I
> missing something?
> Thanks in advaced.Nick.
>
