Stack trace corresponding to the protocol version error

cassandra-stack-trace

WARN  [epollEventLoopGroup-2-3] 2017-03-05 13:41:54,163 Slf4JLogger.java:151 - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception.
io.netty.handler.codec.DecoderException: org.apache.cassandra.transport.ProtocolException: Invalid or unsupported protocol version (95); highest supported is 4 
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:442) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:375) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:342) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:325) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:241) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:227) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:220) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1289) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:241) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:227) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:893) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:691) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:399) [netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:307) [netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131) [netty-all-4.0.44.Final.jar:4.0.44.Final]
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) [netty-all-4.0.44.Final.jar:4.0.44.Final]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_112]
Caused by: org.apache.cassandra.transport.ProtocolException: Invalid or unsupported protocol version (95); highest supported is 4 
	at org.apache.cassandra.transport.Frame$Decoder.decode(Frame.java:197) ~[apache-cassandra-2.2.10.jar:2.2.10-SNAPSHOT]
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:411) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
	... 16 common frames omitted