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io.netty.handler.codec.CorruptedFrameException: received a frame that is not masked as expected at io.netty.handler.codec.http.websocketx.WebSocket08FrameDecoder.protocolViolation(WebSocket08FrameDecoder.java:412)[netty-codec-http-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.handler.codec.http.websocketx.WebSocket08FrameDecoder.decode(WebSocket08FrameDecoder.java:193)[netty-codec-http-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:387)[netty-codec-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:245)[netty-codec-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:154)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:354)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:145)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:1078)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:125)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3] at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:510)[netty-transport-4.1.0.CR3.jar!/:4.1.0.CR3]