Custom mimetype causes quarkus-rest-client-reactive being unable to deserialize

[snowdrop-bot]

Describe the bug

Reactive rest client does not deserialize custom, "json-like" mimetypes (e.g. application/*+json) are not deserialized correctly.

Expected behavior

All mimetypes matching the pattern application/*+json should be deserialized using Jackson

Actual behavior

Rest client throws the following error:

javax.ws.rs.ProcessingException: Response could not be mapped to type java.util.Map<java.lang.String,java.lang.Object>
	at org.jboss.resteasy.reactive.client.impl.ClientReaderInterceptorContextImpl.proceed(ClientReaderInterceptorContextImpl.java:62)
	at org.jboss.resteasy.reactive.client.impl.ClientSerialisers.invokeClientReader(ClientSerialisers.java:141)
	at org.jboss.resteasy.reactive.client.impl.RestClientRequestContext.readEntity(RestClientRequestContext.java:157)
	at org.jboss.resteasy.reactive.client.handlers.ClientResponseCompleteRestHandler.mapToResponse(ClientResponseCompleteRestHandler.java:30)
	at org.jboss.resteasy.reactive.client.handlers.ClientResponseCompleteRestHandler.handle(ClientResponseCompleteRestHandler.java:16)
	at org.jboss.resteasy.reactive.client.handlers.ClientResponseCompleteRestHandler.handle(ClientResponseCompleteRestHandler.java:12)
	at org.jboss.resteasy.reactive.common.core.AbstractResteasyReactiveContext.run(AbstractResteasyReactiveContext.java:141)
	at org.jboss.resteasy.reactive.client.impl.RestClientRequestContext$1.lambda$execute$0(RestClientRequestContext.java:251)
	at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:100)
	at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:63)
	at io.vertx.core.impl.EventLoopContext.lambda$runOnContext$0(EventLoopContext.java:38)
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:497)
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
	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:829)

How to Reproduce?

Small reproducer:
test.zip

Execute:
curl http://localhost:8080/hello

Output of uname -a or ver

Linux elitebook 5.15.6-200.fc35.x86_64 #1 SMP Wed Dec 1 13:41:10 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Output of java -version

openjdk version "11.0.13" 2021-10-19 OpenJDK Runtime Environment 18.9 (build 11.0.13+8) OpenJDK 64-Bit Server VM 18.9 (build 11.0.13+8, mixed mode, sharing)

GraalVM version (if different from Java)

No response

Quarkus version or git rev

2.5.2.Final

Build tool (ie. output of mvnw --version or gradlew --version)

No response

Additional information

No response

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quarkusio#21957

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$upstream:21957$