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io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1 at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:111)[netty-buffer-4.1.1.Final.jar:4.1.1.Final] at io.netty.handler.codec.http.HttpObjectAggregator$AggregatedFullHttpMessage.release(HttpObjectAggregator.java:316)[netty-codec-http-4.1.1.Final.jar:4.1.1.Final] at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:84)[netty-common-4.1.1.Final.jar:4.1.1.Final] at com.corundumstudio.socketio.handler.WrongUrlHandler.channelRead(WrongUrlHandler.java:54)[netty-socketio-1.7.12-Final.jar:na] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)[netty-transport-4.1.1.Final.jar:4.1.1.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:334)[netty-transport-4.1.1.Final.jar:4.1.1.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:326)[netty-transport-4.1.1.Final.jar:4.1.1.Final] at com.corundumstudio.socketio.transport.WebSocketTransport.channelRead(WebSocketTransport.java:122)[netty-socketio-1.7.12-Final.jar:na] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)[netty-transport-4.1.1.Final.jar:4.1.1.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:334)[netty-transport-4.1.1.Final.jar:4.1.1.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:326)[netty-transport-4.1.1.Final.jar:4.1.1.Final] at com.corundumstudio.socketio.transport.PollingTransport.channelRead(PollingTransport.java:110)[netty-socketio-1.7.12-Final.jar:na] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)[netty-transport-4.1.1.Final.jar:4.1.1.Final]