:_mod-docs-content-type: REFERENCE [id="ref_rn-qdocs-1394-reactive-routes-semeru-21"] = Reactive routes: Not working with Semeru JDK 17 and 21 In the current release, applications that use the `quarkus-reactive-routes` extension can fail on IBM Semeru (OpenJ9) JDK 17 and 21. An OpenJ9 issue causes the failure and affects Semeru JDK 17 and 21. Example exception: [source,text] ---- Caused by: java.lang.VerifyError: JVMVRFY021 thrown object not throwable; class=io/quarkus/ts/http/reactiveroutes/validation/ValidationOnRequestBodyRouteHandler_RouteHandler_validateRequestBody_5062c5d496426858d21251d59383e7b91f535cc9, method=invoke(Lio/vertx/ext/web/RoutingContext;)V, pc=90 ---- To proceed, run on an OpenJDK HotSpot-based JDK or use a Semeru build that fixes the underlying OpenJ9 issue. For more information, see: * link: https://github.com/eclipse-openj9/openj9/issues/22812 [OpenJ9 issue 22812] * link: https://github.com/quarkusio/quarkus/issues/50863 [Quarkus issue 50863] // https://issues.redhat.com/browse/QDOCS-1394 // SMEs: Paul Robinson, Martin Ocenas, David Lloyd // Web // Known issue // include::rn/ref_rn-qdocs-1394-reactive-routes-semeru-21.adoc[leveloffset=+2]