[jboss-jira] [JBoss JIRA] (WFLY-9858) NullPointerException with JDK9 + wildfly-openssl + Http2 utilized

[Jan Stourac (JIRA)]

Jan Stourac created WFLY-9858:
---------------------------------

             Summary: NullPointerException with JDK9 + wildfly-openssl + Http2 utilized
                 Key: WFLY-9858
                 URL: https://issues.jboss.org/browse/WFLY-9858
             Project: WildFly
          Issue Type: Bug
          Components: Web (Undertow)
    Affects Versions: 12.0.0.Beta1
            Reporter: Jan Stourac
            Assignee: Stuart Douglas


I can see bunch of NPEs and IllegalStateExceptions when I execute [http2 testsuite|https://github.com/summerwind/h2spec] against running Wildfly server (build from master/62583a78a850ba3fb182dda9b5ed35d99e016960 revision) running with JDK9 and wildfly-openssl (my openssl version is {{OpenSSL 1.1.0g-fips  2 Nov 2017}}):
{code}
2018-01-15 13:15:04,095 ERROR [io.undertow.request.io] (default I/O-16) UT005090: Unexpected failure: java.lang.NullPointerException
        at io.undertow.core//io.undertow.protocols.http2.Http2Channel.sendPing(Http2Channel.java:794)
        at io.undertow.core//io.undertow.protocols.http2.Http2Channel.createChannelImpl(Http2Channel.java:489)
        at io.undertow.core//io.undertow.protocols.http2.Http2Channel.createChannel(Http2Channel.java:342)
        at io.undertow.core//io.undertow.protocols.http2.Http2Channel.createChannel(Http2Channel.java:68)
        at io.undertow.core//io.undertow.server.protocol.framed.AbstractFramedChannel.receive(AbstractFramedChannel.java:451)
        at io.undertow.core//io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:109)
        at io.undertow.core//io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:60)
        at org.jboss.xnio//org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
        at io.undertow.core//io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:921)
        at io.undertow.core//io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:902)
        at org.jboss.xnio//org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
        at org.jboss.xnio//org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
        at io.undertow.core//io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1145)
        at io.undertow.core//io.undertow.protocols.ssl.SslConduit$1.run(SslConduit.java:168)
        at org.jboss.xnio.nio//org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:612)
        at org.jboss.xnio.nio//org.xnio.nio.WorkerThread.run(WorkerThread.java:479)

14:32:23,593 ERROR [io.undertow.request] (default task-128) UT005071: Undertow request failed HttpServerExchange{ POST / request {Host=[127.0.0.1:8443]} response {Last-Modified=[Mon, 15 Jan 2018 07:43:34 GMT], X-Powered-By=[Undertow/1], Server=[WildFly/11], Content-Length=[2438], Content-Type=[text/html], Accept-Ranges=[bytes]}}: java.lang.IllegalStateException: UT000127: Response has already been sent
	at io.undertow.core//io.undertow.io.AsyncSenderImpl.send(AsyncSenderImpl.java:122)
	at io.undertow.core//io.undertow.server.handlers.resource.PathResource$1ServerTask.run(PathResource.java:184)
	at io.undertow.core//io.undertow.server.handlers.resource.PathResource.serveImpl(PathResource.java:253)
	at io.undertow.core//io.undertow.server.handlers.resource.PathResource.serve(PathResource.java:111)
	at io.undertow.core//io.undertow.server.handlers.resource.ResourceHandler$1.handleRequest(ResourceHandler.java:337)
	at io.undertow.core//io.undertow.server.Connectors.executeRootHandler(Connectors.java:332)
	at io.undertow.core//io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.base/java.lang.Thread.run(Thread.java:844)
{code}

All exceptions seems to repeat. This causes 16 tests to fail. When I use JDK8 or when I switch back to JSSE ALPN instead of wildfly-openssl, no test fail at all and there are no NPEs in server.log anymore, although the IllegalStateExceptions still remains there.



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