[jboss-jira] [JBoss JIRA] (WFLY-3895) Blocking request failed HttpServerExchange{ POST /fabric/jolokia}

[Stuart Douglas (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-3895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029196#comment-13029196 ] 

Stuart Douglas commented on WFLY-3895:
--------------------------------------

You are going to need to provide more details. Can you email undertow-dev at lists.jboss.org with more details about your code? By your description and looking at the stack trace it kinda looks like something is trying to write to the first request which as already ended. 

> Blocking request failed HttpServerExchange{ POST /fabric/jolokia}
> -----------------------------------------------------------------
>
>                 Key: WFLY-3895
>                 URL: https://issues.jboss.org/browse/WFLY-3895
>             Project: WildFly
>          Issue Type: Bug
>          Components: Web (Undertow)
>    Affects Versions: 8.1.0.Final
>            Reporter: Thomas Diesler
>            Assignee: Stuart Douglas
>             Fix For: 9.0.0.Beta1
>
>
> This happens with an Http POST request for a Jolokia MBean operation.
> Attribute reads seem to work.
> {code}
> 10:28:10,823 ERROR [io.undertow.request] (default task-3) Blocking request failed HttpServerExchange{ POST /fabric/jolokia}: java.lang.IllegalStateException: UT000004: getResponseChannel() has already been called
> 	at io.undertow.server.protocol.http.HttpContinue.createResponseSender(HttpContinue.java:78)
> 	at io.undertow.server.handlers.HttpContinueReadHandler$ContinueConduit.read(HttpContinueReadHandler.java:104)
> 	at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127) [xnio-api-3.2.2.Final.jar:3.2.2.Final]
> 	at io.undertow.channels.DetachableStreamSourceChannel.read(DetachableStreamSourceChannel.java:181)
> 	at io.undertow.server.HttpServerExchange$ReadDispatchChannel.read(HttpServerExchange.java:1952)
> 	at org.xnio.channels.Channels.readBlocking(Channels.java:294) [xnio-api-3.2.2.Final.jar:3.2.2.Final]
> 	at io.undertow.servlet.spec.ServletInputStreamImpl.readIntoBuffer(ServletInputStreamImpl.java:146)
> 	at io.undertow.servlet.spec.ServletInputStreamImpl.close(ServletInputStreamImpl.java:218)
> 	at io.undertow.servlet.spec.HttpServletRequestImpl.closeAndDrainRequest(HttpServletRequestImpl.java:588)
> 	at io.undertow.servlet.core.ServletBlockingHttpExchange.close(ServletBlockingHttpExchange.java:69)
> 	at io.undertow.server.HttpServerExchange.endExchange(HttpServerExchange.java:1404)
> 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:193)
> 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:727)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_67]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_67]
> 	at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_67]
> {code}



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