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  1. WildFly
  2. WFLY-11103

If ServletInputStream.isReady returns false it is illegal to call the ServletInputStream.read method and EAP returns HTTP 200

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      1. ./standalone.sh
      2. prepare deployment
        • download JBEAP-12223.zip
        • mvn clean package
        • $JBOSS_HOME/bin/jboss-cli.sh -c
        • deploy target/jaxrs-wf.war -f
      3. curl -v --data "aaa" -X POST -H "Content-Type: text/plain" http://127.0.0.1:8080/jaxrs-wf/async
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      ./standalone.sh prepare deployment download JBEAP-12223.zip mvn clean package $JBOSS_HOME/bin/jboss-cli.sh -c deploy target/jaxrs-wf.war -f curl -v --data "aaa" -X POST -H "Content-Type: text/plain" http://127.0.0.1:8080/jaxrs-wf/async

    Description

      EAP returns HTTP 200 instead of 500 when IllegalStateException is thrown if ServletInputStream.isReady returns false.
      This exists in 7.2.0.CD14, it works in 7.2.0.CD13.

      Caused by: java.lang.IllegalStateException: UT010035: Stream in async mode was not ready for IO operation
	at io.undertow.servlet.spec.ServletInputStreamImpl.read(ServletInputStreamImpl.java:164)
	at io.undertow.servlet.spec.ServletInputStreamImpl.read(ServletInputStreamImpl.java:154)
	at org.resteasy.simple.deployment.er2.ResourceInfoInjectionResource$1.onDataAvailable(ResourceInfoInjectionResource.java:42)
	at io.undertow.servlet.spec.ServletContextImpl$3.call(ServletContextImpl.java:188)
	at io.undertow.servlet.spec.ServletContextImpl$3.call(ServletContextImpl.java:185)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at io.undertow.servlet.spec.ServletContextImpl.invokeOnDataAvailable(ServletContextImpl.java:1009)
	... 4 more

16:27:16,509 ERROR [org.jboss.resteasy.resteasy_jaxrs.i18n] (default I/O-5) RESTEASY002020: Unhandled asynchronous exception, sending back 500: org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: java.lang.IllegalStateException: UT010035: Stream in async mode was not ready for IO operation
	at org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:257)
	at org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:197)
	at org.jboss.resteasy.core.SynchronousDispatcher.asynchronousExceptionDelivery(SynchronousDispatcher.java:513)
	at org.jboss.resteasy.core.AbstractAsynchronousResponse.internalResume(AbstractAsynchronousResponse.java:228)
	at org.jboss.resteasy.plugins.server.servlet.Servlet3AsyncHttpRequest$Servlet3ExecutionContext$Servle3AsychronousResponse.resume(Servlet3AsyncHttpRequest.java:118)
	at org.resteasy.simple.deployment.er2.ResourceInfoInjectionResource$1.onError(ResourceInfoInjectionResource.java:61)
	at io.undertow.servlet.spec.ServletInputStreamImpl$ServletInputStreamChannelListener$1.run(ServletInputStreamImpl.java:317)
	at io.undertow.servlet.spec.ServletContextImpl$2.call(ServletContextImpl.java:181)
	at io.undertow.servlet.spec.ServletContextImpl$2.call(ServletContextImpl.java:178)
	at io.undertow.servlet.spec.ServletContextImpl.invokeRunnable(ServletContextImpl.java:1027)
	at io.undertow.servlet.spec.ServletInputStreamImpl$ServletInputStreamChannelListener.handleEvent(ServletInputStreamImpl.java:314)
	at io.undertow.servlet.spec.ServletInputStreamImpl$1$1.run(ServletInputStreamImpl.java:135)
	at org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:612)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:479)
Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: UT010035: Stream in async mode was not ready for IO operation
	at io.undertow.servlet.spec.ServletContextImpl.invokeOnDataAvailable(ServletContextImpl.java:1011)
	at io.undertow.servlet.spec.ServletInputStreamImpl$ServletInputStreamChannelListener.handleEvent(ServletInputStreamImpl.java:295)
	... 3 more
Caused by: java.lang.IllegalStateException: UT010035: Stream in async mode was not ready for IO operation
	at io.undertow.servlet.spec.ServletInputStreamImpl.read(ServletInputStreamImpl.java:164)
	at io.undertow.servlet.spec.ServletInputStreamImpl.read(ServletInputStreamImpl.java:154)
	at org.resteasy.simple.deployment.er2.ResourceInfoInjectionResource$1.onDataAvailable(ResourceInfoInjectionResource.java:42)
	at io.undertow.servlet.spec.ServletContextImpl$3.call(ServletContextImpl.java:188)
	at io.undertow.servlet.spec.ServletContextImpl$3.call(ServletContextImpl.java:185)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1502)
	at io.undertow.servlet.spec.ServletContextImpl.invokeOnDataAvailable(ServletContextImpl.java:1009)
	... 4 more

      The exception mentions that HTTP 500, should be returned.

      Comment from rpelisse@redhat.com previous JIRA:

      Thanks for the step to reproduce, I've also managed to reproduce the behavior. Debugging through the problem, i've established that the code inserted to adress the isssue is still being used, the exception that lead to a 500 error to be returned is no longer being leading to 500 (but a 200).

      If I'm not mistaken, CD13 used Undertow 2.0.9 while CD14 is now using 2.0.13. I'll keep looking tomorrow to which of the few commits introduced in between those versions can have caused the issue.

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          Bug - A problem that impairs or prevents the functions of the product. JBEAP-15519 If ServletInputStream readListener onError resumes exception, server returns HTTP 200

          • Blocker - To be worked above all other priorities. This term is chosen when the severity of the issue is very high, has no workaround, or the effort for the change is comparatively low. Issues that may be very publicly visible and could generate significant media attention may also drive a higher priority.
          • Verified
          is incorporated by

          Component Upgrade - A task tracking an update to a bundled component or revision of component upstream of the project. WFLY-11153 Upgrade RESTEasy to 3.6.1.SP2

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          relates to

          Bug - A problem that impairs or prevents the functions of the product. JBEAP-12223 If ServletInputStream.isReady returns false it is illegal to call the ServletInputStream.read method and an IllegalStateException MUST be thrown.

          • Minor - To be worked after urgent, high, and medium priorities are resolved. This term is chosen when the severity of the issue is low, or the complexity or effort to correct it may be higher, relatively speaking. For low priority issues, known workarounds exist or are not needed due to the trivial effort needed to address the issue.
          • Verified

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              rpelisse@redhat.com Romain Pelisse
              akrajcik@redhat.com Adam Krajcik
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                Updated:
                Resolved: