Remote iterators don't work in compatibility mode

18:17:28,338 ERROR [org.infinispan.server.hotrod.HotRodEncoder] (HotRodServerWorker-9-6) ISPN005022: Exception writing response with messageId=19: java.lang.ClassCastException: java.lang.String cannot be cast to [B
        at org.infinispan.server.hotrod.Encoder2x$$anonfun$writeResponse$9.apply(Encoder2x.scala:370)
        at org.infinispan.server.hotrod.Encoder2x$$anonfun$writeResponse$9.apply(Encoder2x.scala:349)
        at scala.collection.immutable.List.foreach(List.scala:381)
        at org.infinispan.server.hotrod.Encoder2x$.writeResponse(Encoder2x.scala:349)
        at org.infinispan.server.hotrod.HotRodEncoder.encode(HotRodEncoder.scala:45)
        at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107)
        at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633)
        at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:691)
        at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:681)
        at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:716)
        at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:954)
        at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:243)
        at org.infinispan.server.hotrod.HotRodDecoder.writeResponse(HotRodDecoder.scala:250)
        at org.infinispan.server.hotrod.HotRodDecoder.customDecodeKey(HotRodDecoder.scala:212)
        at org.infinispan.server.hotrod.HotRodDecoder.org$infinispan$server$hotrod$HotRodDecoder$$decodeKey(HotRodDecoder.scala:119)
        at org.infinispan.server.hotrod.HotRodDecoder$$anonfun$decode$1.apply$mcV$sp(HotRodDecoder.scala:53)
        at org.infinispan.server.hotrod.HotRodDecoder.wrapSecurity(HotRodDecoder.scala:224)
        at org.infinispan.server.hotrod.HotRodDecoder.decode(HotRodDecoder.scala:50)
        at io.netty.handler.codec.ReplayingDecoder.callDecode(ReplayingDecoder.java:370)
        at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:168)
        at org.infinispan.server.hotrod.HotRodDecoder.org$infinispan$server$core$transport$StatsChannelHandler$$super$channelRead(HotRodDecoder.scala:32)
        at org.infinispan.server.core.transport.StatsChannelHandler$class.channelRead(StatsChannelHandler.scala:32)
        at org.infinispan.server.hotrod.HotRodDecoder.channelRead(HotRodDecoder.scala:32)
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
        at java.lang.Thread.run(Thread.java:745)