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 Environment: Java 8 Wildfly 16 Reporter: Cody Lerum Assignee: Matej Novotny 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}