[jboss-jira] [JBoss JIRA] (WFLY-13185) Rest-client can't be used without opentracing subsystem present in config

[Matěj Novotný (Jira)]

    [ https://issues.redhat.com/browse/WFLY-13185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990983#comment-13990983 ] 

Matěj Novotný commented on WFLY-13185:
--------------------------------------

Well, it's an open tracing annotation on your application class. And the app uses resteasy implementation (and that already depends on the API since it uses the same class in its CDI extensions). So the API classes are there already, right? Probably just not "exposed" properly?
When Weld gets around to creating the annotated types, we need to be able to [load that class from module class loader|https://github.com/wildfly/wildfly/blob/master/weld/subsystem/src/main/java/org/jboss/as/weld/discovery/WeldClassFileServices.java#L63] (in WFLY's case). In some cases unloadable annotation isn't an error which is why we don't blow up instantly and instead just log something. However, in this case it looks more like an error.

> Rest-client can't be used without opentracing subsystem present in config
> -------------------------------------------------------------------------
>
>                 Key: WFLY-13185
>                 URL: https://issues.redhat.com/browse/WFLY-13185
>             Project: WildFly
>          Issue Type: Bug
>          Components: MP REST Client
>            Reporter: Jean Francois Denise
>            Assignee: r searls
>            Priority: Critical
>         Attachments: README, rest-reproducer.zip
>
>
> Trying to provision the following set of galleon layers:
> jaxrs ==> for jaxrs and rest-client
> microprofile-config
> I am getting an NPE. If open-tracing is provisioned along with jaxrs, no NPE and client injection works fine.
> java.lang.NullPointerException
> 	at org.jboss.resteasy.microprofile.client.RestClientExtension.extractBaseUri(RestClientExtension.java:40)
> 	at org.jboss.resteasy.microprofile.client.RestClientExtension.registerRestClient(RestClientExtension.java:29)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.jboss.weld.injection.StaticMethodInjectionPoint.invoke(StaticMethodInjectionPoint.java:95)
> 	at org.jboss.weld.injection.StaticMethodInjectionPoint.invoke(StaticMethodInjectionPoint.java:85)
> 	at org.jboss.weld.injection.MethodInvocationStrategy$SimpleMethodInvocationStrategy.invoke(MethodInvocationStrategy.java:168)
> 	at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:330)
> 	at org.jboss.weld.event.ExtensionObserverMethodImpl.sendEvent(ExtensionObserverMethodImpl.java:123)
> 	at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:308)
> 	at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:286)
> 	at org.jboss.weld.bootstrap.events.ContainerLifecycleEvents.fireProcessAnnotatedType(ContainerLifecycleEvents.java:207)
> 	at org.jboss.weld.bootstrap.events.ContainerLifecycleEvents.fireProcessAnnotatedType(ContainerLifecycleEvents.java:176)
> 	at org.jboss.weld.bootstrap.BeanDeployer.processAnnotatedTypes(BeanDeployer.java:166)
> 	at org.jboss.weld.bootstrap.BeanDeployment.createTypes(BeanDeployment.java:219)
> 	at org.jboss.weld.bootstrap.WeldStartup.startInitialization(WeldStartup.java:421)
> 	at org.jboss.weld.bootstrap.WeldBootstrap.startInitialization(WeldBootstrap.java:79)
> 	at org.jboss.as.weld.WeldStartService.start(WeldStartService.java:96)
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1739)
> 	at org.jboss.msc.service.ServiceControllerImpl$StartTask.execute(ServiceControllerImpl.java:1701)
> 	at org.jboss.msc.service.ServiceControllerImpl$ControllerTask.run(ServiceControllerImpl.java:1559)
> 	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
> 	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1982)
> 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
> 	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
> 	at java.lang.Thread.run(Thread.java:748)



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