Possible RejectedExecutionError logged on shutdown

20:17:05,080 ERROR [org.xnio.listener] (default I/O-15) XNIO001007: A channel event listener threw an exception: java.util.concurrent.RejectedExecutionException: XNIO007007: Thread is terminating
        at org.xnio.nio.WorkerThread.executeAfter(WorkerThread.java:623)
        at io.undertow.server.protocol.ParseTimeoutUpdater.handleSchedule(ParseTimeoutUpdater.java:85)
        at io.undertow.server.protocol.ParseTimeoutUpdater.connectionIdle(ParseTimeoutUpdater.java:64)
        at io.undertow.server.protocol.http.HttpReadListener.newRequest(HttpReadListener.java:116)
        at io.undertow.server.protocol.http.HttpReadListener.exchangeComplete(HttpReadListener.java:299)
        at io.undertow.server.protocol.http.HttpServerConnection.exchangeComplete(HttpServerConnection.java:232)
        at io.undertow.server.HttpServerExchange$ExchangeCompleteNextListener.proceed(HttpServerExchange.java:1825)
        at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler$1.exchangeEvent(GlobalRequestControllerHandler.java:25)
        at io.undertow.server.HttpServerExchange.invokeExchangeCompleteListeners(HttpServerExchange.java:1245)
        at io.undertow.server.HttpServerExchange.closeAndFlushResponse(HttpServerExchange.java:1662)
        at io.undertow.server.HttpServerExchange.endExchange(HttpServerExchange.java:1652)
        at io.undertow.server.AbstractServerConnection$CloseSetter.handleEvent(AbstractServerConnection.java:316)
        at io.undertow.server.AbstractServerConnection$CloseSetter.handleEvent(AbstractServerConnection.java:296)
        at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
        at org.xnio.StreamConnection.invokeCloseListener(StreamConnection.java:80)
        at org.xnio.Connection.writeClosed(Connection.java:117)
        at org.xnio.nio.AbstractNioStreamConnection.writeClosed(AbstractNioStreamConnection.java:47)
        at org.xnio.nio.NioSocketConduit.terminateWrites(NioSocketConduit.java:182)
        at org.xnio.nio.NioSocketConduit.truncateWrites(NioSocketConduit.java:198)
        at org.xnio.conduits.ConduitStreamSinkChannel.close(ConduitStreamSinkChannel.java:186)
        at org.xnio.IoUtils.safeClose(IoUtils.java:152)
        at org.xnio.conduits.WriteReadyHandler$ChannelListenerHandler.forceTermination(WriteReadyHandler.java:57)
        at org.xnio.nio.NioSocketConduit.forceTermination(NioSocketConduit.java:108)
        at org.xnio.nio.WorkerThread.run(WorkerThread.java:496)