2.0.0.Alpha2: Failed to generate client for Mp rest client interface

[snowdrop-bot]

Similar to quarkusio#17084, I upgrade to Quarkus 2.0.0.alpha2 and got the following exception.

• Quarkus 2.0.0.Alpha2
• RestClient Reactive/Resteasy Reactive

2021-05-08 13:16:06,251 ERROR [org.jbo.res.rea.ser.cor.ExceptionMapping] (vert.x-eventloop-thread-3) Request failed : java.lang.RuntimeException: Error injecting com.example.demo.PostR
esourceClient com.example.demo.PostController.client
        at com.example.demo.PostController_Bean.create(PostController_Bean.zig:225)
        at com.example.demo.PostController_Bean.create(PostController_Bean.zig:248)
        at io.quarkus.arc.impl.RequestContext.getIfActive(RequestContext.java:68)
        at io.quarkus.arc.impl.ClientProxies.getDelegate(ClientProxies.java:33)
        at com.example.demo.PostController_ClientProxy.arc$delegate(PostController_ClientProxy.zig:42)
        at com.example.demo.PostController_ClientProxy.getAllPosts(PostController_ClientProxy.zig:133)
        at com.example.demo.PostController$quarkusrestinvoker$getAllPosts_e86e499f776b53a0f1950570a1bd4434ea61b09b.invoke(PostController$quarkusrestinvoker$getAllPosts_e86e499f776b53a0
f1950570a1bd4434ea61b09b.zig:55)
        at org.jboss.resteasy.reactive.server.handlers.InvocationHandler.handle(InvocationHandler.java:29)
        at org.jboss.resteasy.reactive.server.handlers.InvocationHandler.handle(InvocationHandler.java:7)
        at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:132)
        at org.jboss.resteasy.reactive.server.handlers.RestInitialHandler.beginProcessing(RestInitialHandler.java:47)
        at org.jboss.resteasy.reactive.server.vertx.ResteasyReactiveVertxHandler.handle(ResteasyReactiveVertxHandler.java:17)
        at org.jboss.resteasy.reactive.server.vertx.ResteasyReactiveVertxHandler.handle(ResteasyReactiveVertxHandler.java:7)
        at io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1129)
        at io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:151)
        at io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:133)
        at io.quarkus.vertx.http.runtime.StaticResourcesRecorder.lambda$start$1(StaticResourcesRecorder.java:65)
        at io.vertx.ext.web.impl.RouteState.handleContext(RouteState.java:1129)
        at io.vertx.ext.web.impl.RoutingContextImplBase.iterateNext(RoutingContextImplBase.java:114)
        at io.vertx.ext.web.impl.RoutingContextImpl.next(RoutingContextImpl.java:133)
        at io.vertx.ext.web.handler.impl.StaticHandlerImpl.lambda$sendStatic$1(StaticHandlerImpl.java:200)
        at io.vertx.core.impl.future.FutureImpl$3.onSuccess(FutureImpl.java:124)
        at io.vertx.core.impl.future.FutureBase.lambda$emitSuccess$0(FutureBase.java:54)
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500)
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
        at java.base/java.lang.Thread.run(Thread.java:831)
Caused by: org.eclipse.microprofile.rest.client.RestClientDefinitionException: org.jboss.resteasy.reactive.client.api.InvalidRestClientDefinitionException: Failed to generate client fo
r class interface com.example.demo.PostResourceClient : Cannot invoke "org.jboss.jandex.ClassInfo.interfaceNames()" because the return value of "org.jboss.jandex.IndexView.getClassByNa
me(org.jboss.jandex.DotName)" is null
        at io.quarkus.rest.client.reactive.runtime.RestClientBuilderImpl.build(RestClientBuilderImpl.java:275)
        at io.quarkus.rest.client.reactive.runtime.RestClientCDIDelegateBuilder.build(RestClientCDIDelegateBuilder.java:71)
        at io.quarkus.rest.client.reactive.runtime.RestClientCDIDelegateBuilder.createDelegate(RestClientCDIDelegateBuilder.java:53)
        at io.quarkus.rest.client.reactive.runtime.RestClientReactiveCDIWrapperBase.<init>(RestClientReactiveCDIWrapperBase.java:16)
        at com.example.demo.PostResourceClient$$CDIWrapper.<init>(PostResourceClient$$CDIWrapper.zig:21)
        at com.example.demo.PostResourceClient$$CDIWrapper_Subclass.<init>(PostResourceClient$$CDIWrapper_Subclass.zig:40)
        at com.example.demo.PostResourceClient$$CDIWrapper_Bean.create(PostResourceClient$$CDIWrapper_Bean.zig:194)
        at com.example.demo.PostResourceClient$$CDIWrapper_Bean.create(PostResourceClient$$CDIWrapper_Bean.zig:210)
        at io.quarkus.arc.impl.AbstractSharedContext.createInstanceHandle(AbstractSharedContext.java:96)
        at io.quarkus.arc.impl.AbstractSharedContext$1.get(AbstractSharedContext.java:29)
        at io.quarkus.arc.impl.AbstractSharedContext$1.get(AbstractSharedContext.java:26)
        at io.quarkus.arc.impl.LazyValue.get(LazyValue.java:26)
        at io.quarkus.arc.impl.ComputingCache.computeIfAbsent(ComputingCache.java:69)
        at io.quarkus.arc.impl.AbstractSharedContext.get(AbstractSharedContext.java:26)
        at com.example.demo.PostResourceClient$$CDIWrapper_Bean.get(PostResourceClient$$CDIWrapper_Bean.zig:242)
        at com.example.demo.PostResourceClient$$CDIWrapper_Bean.get(PostResourceClient$$CDIWrapper_Bean.zig:258)
        at com.example.demo.PostController_Bean.create(PostController_Bean.zig:208)
        ... 29 more
Caused by: org.jboss.resteasy.reactive.client.api.InvalidRestClientDefinitionException: Failed to generate client for class interface com.example.demo.PostResourceClient : Cannot invoke "org.jboss.jandex.ClassInfo.interfaceNames()" because the return value of "org.jboss.jandex.IndexView.getClassByName(org.jboss.jandex.DotName)" is null
        at org.jboss.resteasy.reactive.client.impl.ClientProxies.get(ClientProxies.java:23)
        at org.jboss.resteasy.reactive.client.impl.WebTargetImpl.proxy(WebTargetImpl.java:373)
        at io.quarkus.rest.client.reactive.runtime.RestClientBuilderImpl.build(RestClientBuilderImpl.java:273)

The source codes: https://github.com/hantsy/quarkus-sandbox/tree/master/restclient-reactive
The target remote API is https://github.com/hantsy/quarkus-sandbox/tree/master/post-service

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quarkusio#17089

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$upstream:17089$