NullPointerException in Encoder2x.writeStatus

09:41:36,162 ERROR (HotRod-InfinispanRemoteSessionRepositoryTest-ServerWorker-16-2) [HotRodEncoder] ISPN005022: Exception writing response with messageId=305
java.lang.NullPointerException
	at org.infinispan.server.hotrod.Encoder2x.writeStatus(Encoder2x.java:86)
	at org.infinispan.server.hotrod.Encoder2x.writeHeader(Encoder2x.java:64)
	at org.infinispan.server.hotrod.HotRodEncoder.encode(HotRodEncoder.java:56)
	at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107)
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738)
	at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:801)
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:814)
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:794)
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:831)