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via Google Groups by José Antonio Gutiérrez Morales, 1 year ago
RSV != 0 and no extension negoti ated, RSV:4 at io.netty.handler.codec.http.websocketx.WebSocket08FrameDecoder.protoc olViolation(WebSocket08FrameDecoder.java:434) at
io.netty.handler.codec.CorruptedFrameException: RSV != 0 and no extension 
 negoti
 ated, RSV:4
         at 
 io.netty.handler.codec.http.websocketx.WebSocket08FrameDecoder.protoc
 olViolation(WebSocket08FrameDecoder.java:434)
         at 
 io.netty.handler.codec.http.websocketx.WebSocket08FrameDecoder.decode
 (WebSocket08FrameDecoder.java:156)
         at 
 io.netty.handler.codec.ReplayingDecoder.callDecode(ReplayingDecoder.j
 ava:367)
         at 
 io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessage
 Decoder.java:248)
         at 
 io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
 ractChannelHandlerContext.java:342)
         at 
 io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(Abst
 ractChannelHandlerContext.java:328)
         at 
 io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(Abstra
 ctChannelHandlerContext.java:321)	at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1070)	at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:904)