JBoss EAP throws ISPN005003: org.infinispan.server.memcached.UnknownOperationException

Issue

When using memcached the following issue happens:

2019-08-02 07:18:00,491 ERROR [org.infinispan.server.memcached.MemcachedDecoder] (MemcachedServerWorker-6-2) ISPN005003: Exception reported: org.infinispan.server.memcached.UnknownOperationException: Unknown operation:
        at org.infinispan.server.memcached.MemcachedDecoder.toRequest(MemcachedDecoder.java:1053)
        at org.infinispan.server.memcached.MemcachedDecoder.readHeader(MemcachedDecoder.java:316)
        at org.infinispan.server.memcached.MemcachedDecoder.decodeHeader(MemcachedDecoder.java:196)
        at org.infinispan.server.memcached.MemcachedDecoder.decodeDispatch(MemcachedDecoder.java:174)
        at org.infinispan.server.memcached.MemcachedDecoder.decode(MemcachedDecoder.java:127)
        at io.netty.handler.codec.ReplayingDecoder.callDecode(ReplayingDecoder.java:367)
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
        at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
        at org.infinispan.server.core.transport.StatsChannelHandler.channelRead(StatsChannelHandler.java:26)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
        at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:1018)
        at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:394)
        at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:299)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
        at java.lang.Thread.run(Thread.java:748)