Send HTTP2 HEADER frame with huge index encoded. Stack trace: 16:00:30,279 ERROR [org.xnio.listener] ( default I/O-1) XNIO001007: A channel event listener threw an exception: java.lang.ArrayIndexOutOfBoundsException: 35 at io.undertow.protocols.http2.Hpack.decodeInteger(Hpack.java:175) at io.undertow.protocols.http2.HpackDecoder.readHpackString(HpackDecoder.java:204) at io.undertow.protocols.http2.HpackDecoder.decode(HpackDecoder.java:123) at io.undertow.protocols.http2.Http2HeaderBlockParser.handleData(Http2HeaderBlockParser.java:66) at io.undertow.protocols.http2.Http2PushBackParser.parse(Http2PushBackParser.java:58) at io.undertow.protocols.http2.Http2FrameHeaderParser.handle(Http2FrameHeaderParser.java:133) at io.undertow.protocols.http2.Http2Channel.parseFrame(Http2Channel.java:399) at io.undertow.server.protocol.framed.AbstractFramedChannel.receive(AbstractFramedChannel.java:393) at io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:103) at io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(Http2ReceiveListener.java:56) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:852) at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:835) 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:1057) at io.undertow.protocols.ssl.SslConduit$1.run(SslConduit.java:225) at org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:560) at org.xnio.nio.WorkerThread.run(WorkerThread.java:462)