03:10:42,824 DEBUG (XNIO-1 I/O-5) [io.undertow.request.io] <Http2ClientConnection.java:544> UT005013: An IOException occurred: java.io.IOException: java.lang.NullPointerException
        at io.undertow.client.http2.Http2ClientConnection$Http2ReceiveListener.handleThrowable(Http2ClientConnection.java:543)
        at io.undertow.client.http2.Http2ClientConnection$Http2ReceiveListener.handleEvent(Http2ClientConnection.java:509)
        at io.undertow.client.http2.Http2ClientConnection$Http2ReceiveListener.handleEvent(Http2ClientConnection.java:389)
        at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
        at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:974)
        at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:954)
        at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
        at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
        at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1290)
        at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
        at org.xnio.nio.WorkerThread.run(WorkerThread.java:591)
Caused by: java.lang.NullPointerException
        at io.undertow.server.protocol.framed.AbstractFramedChannel.markReadsBroken(AbstractFramedChannel.java:872)
        at io.undertow.server.protocol.framed.AbstractFramedChannel.receive(AbstractFramedChannel.java:500)
        at io.undertow.client.http2.Http2ClientConnection$Http2ReceiveListener.handleEvent(Http2ClientConnection.java:437)
        ... 9 more

