[jboss-jira] [JBoss JIRA] (WFLY-11907) NPE trying to use Resteasy Client inside CDI Async Event

[Alessio Soldano (Jira)]

    [ https://issues.jboss.org/browse/WFLY-11907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13743283#comment-13743283 ] 

Alessio Soldano commented on WFLY-11907:
----------------------------------------

Sorry for the late feedback here. It really looks like this is something that CDI impl solves by setting the TCCL, which RESTEasy expect to be available for looking up configured providers.
As part of RESTEASY-2247 we'll see if we can have a fallback mechanism (rely on the defining classloader for the RegisterBuiltin class may be?) or simply print a WARN message and move on.

> NPE trying to use Resteasy Client inside CDI Async Event
> --------------------------------------------------------
>
>                 Key: WFLY-11907
>                 URL: https://issues.jboss.org/browse/WFLY-11907
>             Project: WildFly
>          Issue Type: Bug
>          Components: CDI / Weld, REST
>    Affects Versions: 14.0.0.Final, 16.0.0.Final
>            Reporter: Cody Lerum
>            Assignee: Ronald Sigal
>            Priority: Major
>
> When attempting to use the Resteasy Client inside a CDI Async Event a NPE is thrown.
> {code}
> 12:49:33,513 ERROR [stderr] (Weld Thread Pool -- 4) java.lang.RuntimeException: java.lang.NullPointerException
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.resteasy.plugins.providers.RegisterBuiltin.register(RegisterBuiltin.java:49)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder.getProviderFactory(ResteasyClientBuilder.java:362)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder.build(ResteasyClientBuilder.java:395)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder.build(ResteasyClientBuilder.java:38)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at com.outjected.demo.ResteasyClientEventObserver.load(ResteasyClientEventObserver.java:28)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at com.outjected.demo.ResteasyClientEventObserver.observeAsync(ResteasyClientEventObserver.java:23)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 12:49:33,514 ERROR [stderr] (Weld Thread Pool -- 4) 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at java.lang.reflect.Method.invoke(Method.java:498)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.injection.StaticMethodInjectionPoint.invoke(StaticMethodInjectionPoint.java:95)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.injection.StaticMethodInjectionPoint.invoke(StaticMethodInjectionPoint.java:85)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.injection.MethodInvocationStrategy$DefaultMethodInvocationStrategy.invoke(MethodInvocationStrategy.java:109)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:330)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:308)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:286)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at javax.enterprise.inject.spi.ObserverMethod.notify(ObserverMethod.java:124)
> 12:49:33,515 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.util.Observers.notify(Observers.java:166)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverNotifier.notifyAsyncObserver(ObserverNotifier.java:413)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverNotifier.lambda$notifyAsyncObservers$5(ObserverNotifier.java:356)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverNotifier.lambda$null$8(ObserverNotifier.java:438)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.security.spi.SecurityServices.lambda$getSecurityContextAssociator$0(SecurityServices.java:80)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.weld.event.ObserverNotifier.lambda$createSupplier$9(ObserverNotifier.java:435)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at java.util.concurrent.CompletableFuture$AsyncSupply.run$$$capture(CompletableFuture.java:1590)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 12:49:33,516 ERROR [stderr] (Weld Thread Pool -- 4) 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 12:49:33,517 ERROR [stderr] (Weld Thread Pool -- 4) 	at java.lang.Thread.run(Thread.java:748)
> 12:49:33,517 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.threads.JBossThread.run(JBossThread.java:485)
> 12:49:33,517 ERROR [stderr] (Weld Thread Pool -- 4) Caused by: java.lang.NullPointerException
> 12:49:33,517 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.resteasy.plugins.providers.RegisterBuiltin.registerProviders(RegisterBuiltin.java:60)
> 12:49:33,517 ERROR [stderr] (Weld Thread Pool -- 4) 	at org.jboss.resteasy.plugins.providers.RegisterBuiltin.register(RegisterBuiltin.java:45)
> 12:49:33,517 ERROR [stderr] (Weld Thread Pool -- 4) 	... 28 more
> {code}



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