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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 4.7.4.Final, 5.0.1.Final, 6.0.0.Beta1, 6.0.0.Final
Affects Version/s: None
Component/s: None
Labels:
None

Git Pull Request:
https://github.com/resteasy/resteasy/pull/2968, https://github.com/resteasy/resteasy/pull/2969, https://github.com/resteasy/resteasy/pull/2970

As part of ~~RESTEASY-3033~~ a new test{{SseEventSinkTest.deadlockAtInitialization()}} was added to check for deadlocks and the order of the SSE events sent. However, occasionally this test fails. It doesn't seem to be due to the internal SSE code, but rather the channel closing which may be happening because of overloading the network. The logs contain the following exception logged a few times:

2021-11-23 18:02:59,613 ERROR [io.undertow.request.io] (default I/O-4) UT005088: Failed to execute ServletOutputStream.closeAsync() on IO thread: java.nio.channels.ClosedChannelException
	at java.base/sun.nio.ch.SocketChannelImpl.ensureOpenAndConnected(SocketChannelImpl.java:180)
	at java.base/sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:452)
	at org.jboss.xnio.nio@3.8.4.Final//org.xnio.nio.NioSocketConduit.write(NioSocketConduit.java:153)
	at io.undertow.core@2.2.5.Final//io.undertow.server.protocol.http.HttpResponseConduit.write(HttpResponseConduit.java:617)
	at io.undertow.core@2.2.5.Final//io.undertow.conduits.ChunkedStreamSinkConduit.flush(ChunkedStreamSinkConduit.java:270)
	at org.jboss.xnio@3.8.4.Final//org.xnio.conduits.ConduitStreamSinkChannel.flush(ConduitStreamSinkChannel.java:162)
	at io.undertow.core@2.2.5.Final//io.undertow.channels.DetachableStreamSinkChannel.flush(DetachableStreamSinkChannel.java:119)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.spec.ServletOutputStreamImpl.closeAsync(ServletOutputStreamImpl.java:692)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.spec.ServletOutputStreamImpl$1.run(ServletOutputStreamImpl.java:655)
	at org.jboss.xnio.nio@3.8.4.Final//org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:612)
	at org.jboss.xnio.nio@3.8.4.Final//org.xnio.nio.WorkerThread.run(WorkerThread.java:479)

2021-11-23 18:02:59,614 ERROR [io.undertow.request] (default task-1) UT005023: Exception handling request to /SseEventSinkTest/server-sent-events: org.jboss.resteasy.spi.UnhandledException: java.lang.IllegalStateException: RESTEASY004092: SseEventSink is closed
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:105)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:359)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:218)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:519)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:261)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:161)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:164)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:247)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:249)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:60)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
	at javax.servlet.api@2.0.0.Final//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
	at org.wildfly.security.elytron-web.undertow-server@1.9.0.Final//org.wildfly.elytron.web.undertow.server.ElytronRunAsHandler.lambda$handleRequest$1(ElytronRunAsHandler.java:68)
	at org.wildfly.security.elytron-private@1.15.3.Final//org.wildfly.security.auth.server.FlexibleIdentityAssociation.runAsFunctionEx(FlexibleIdentityAssociation.java:103)
	at org.wildfly.security.elytron-private@1.15.3.Final//org.wildfly.security.auth.server.Scoped.runAsFunctionEx(Scoped.java:161)
	at org.wildfly.security.elytron-private@1.15.3.Final//org.wildfly.security.auth.server.Scoped.runAs(Scoped.java:73)
	at org.wildfly.security.elytron-web.undertow-server@1.9.0.Final//org.wildfly.elytron.web.undertow.server.ElytronRunAsHandler.handleRequest(ElytronRunAsHandler.java:67)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
	at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.core@2.2.5.Final//io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
	at io.undertow.core@2.2.5.Final//io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
	at org.wildfly.security.elytron-web.undertow-server-servlet@1.9.0.Final//org.wildfly.elytron.web.undertow.server.servlet.CleanUpHandler.handleRequest(CleanUpHandler.java:38)
	at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
	at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.SendErrorPageHandler.handleRequest(SendErrorPageHandler.java:52)
	at io.undertow.core@2.2.5.Final//io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at org.wildfly.extension.undertow@23.0.2.Final//org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1530)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
	at io.undertow.servlet@2.2.5.Final//io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
	at io.undertow.core@2.2.5.Final//io.undertow.server.Connectors.executeRootHandler(Connectors.java:387)
	at io.undertow.core@2.2.5.Final//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:841)
	at org.jboss.threads@2.4.0.Final//org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
	at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads@2.4.0.Final//org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
	at org.jboss.xnio@3.8.4.Final//org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1280)
	at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: java.lang.IllegalStateException: RESTEASY004092: SseEventSink is closed
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.plugins.providers.sse.SseEventOutputImpl.send(SseEventOutputImpl.java:228)
	at deployment.SseEventSinkTest.war//org.jboss.resteasy.test.providers.sse.SseResource.addMessage(SseResource.java:108)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:170)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:130)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.internalInvokeOnTarget(ResourceMethodInvoker.java:660)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTargetAfterFilter(ResourceMethodInvoker.java:524)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.lambda$invokeOnTarget$2(ResourceMethodInvoker.java:474)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:364)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:476)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:434)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:408)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:69)
	at org.jboss.resteasy.resteasy-core@4.7.4-SNAPSHOT//org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:492)
	... 53 more

is incorporated by

WFLY-15801 Upgrade RESTEasy to 4.7.4.Final

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