Detected use of the reactive Session from a different Thread

[dkoci]

Hi.
https://github.com/cescoffier/reactive-systems-in-java/blob/main/chapter-7/order-example/src/main/java/org/acme/ShopResource.java method getRandomRecommendations() which is accesible at http://localhost:8080/shop/random-recommendations throws an error

java.lang.IllegalStateException: HR000069: Detected use of the reactive Session from a different Thread than the one which was used to open the reactive Session - this suggests an invalid integration; original thread [122]: 'vert.x-eventloop-thread-5' current Thread [125]: 'vert.x-eventloop-thread-6'
	at org.hibernate.reactive.common.InternalStateAssertions.assertCurrentThreadMatches(InternalStateAssertions.java:46)
	at org.hibernate.reactive.session.impl.ReactiveSessionImpl.threadCheck(ReactiveSessionImpl.java:154)
	at org.hibernate.reactive.session.impl.ReactiveSessionImpl.checkOpen(ReactiveSessionImpl.java:1557)
	at org.hibernate.reactive.session.impl.ReactiveSessionImpl.createReactiveQuery(ReactiveSessionImpl.java:335)
	at org.hibernate.reactive.session.impl.ReactiveSessionImpl.createReactiveQuery(ReactiveSessionImpl.java:120)
	at org.hibernate.reactive.mutiny.impl.MutinySessionImpl.createQuery(MutinySessionImpl.java:200)
	at org.hibernate.reactive.mutiny.ReactiveSessionProducer_ProducerMethod_createMutinySession_1321d110ee9e92bda147899150401e0a136779c7_ClientProxy.createQuery(Unknown Source)
	at io.quarkus.hibernate.reactive.panache.common.runtime.AbstractJpaOperations.lambda$count$6(AbstractJpaOperations.java:315)
	at io.smallrye.context.impl.wrappers.SlowContextualFunction.apply(SlowContextualFunction.java:21)
	at io.smallrye.mutiny.operators.uni.UniOnItemTransformToUni$UniOnItemTransformToUniProcessor.performInnerSubscription(UniOnItemTransformToUni.java:68)
	at io.smallrye.mutiny.operators.uni.UniOnItemTransformToUni$UniOnItemTransformToUniProcessor.onItem(UniOnItemTransformToUni.java:57)
	at io.smallrye.mutiny.operators.uni.UniOperatorProcessor.onItem(UniOperatorProcessor.java:46)
	at io.smallrye.mutiny.operators.uni.builders.UniCreateFromItemSupplier.subscribe(UniCreateFromItemSupplier.java:29)
	at io.smallrye.mutiny.operators.AbstractUni.subscribe(AbstractUni.java:36)
	at io.smallrye.mutiny.operators.uni.UniRunSubscribeOn.lambda$subscribe$0(UniRunSubscribeOn.java:27)
	at io.quarkus.hibernate.reactive.panache.common.runtime.AbstractJpaOperations.lambda$executeInVertxEventLoop$0(AbstractJpaOperations.java:43)
	at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:100)
	at io.vertx.core.impl.AbstractContext.dispatch(AbstractContext.java:63)
	at io.vertx.core.impl.EventLoopContext.lambda$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:503)
	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:833)