java.lang.NullPointerException

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  • java.lang.NullPointerException at org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.parseTicker(OkCoinWebSocketService.java:84) at org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.parseMarketData(OkCoinWebSocketService.java:78) at org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.onReceive(OkCoinWebSocketService.java:51) at org.knowm.xchange.okcoin.service.streaming.WebSocketClientHandler.channelRead0(WebSocketClientHandler.java:75) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83) at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83) at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:163) at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83) at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182) at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:971) at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:854) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:249) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:149) at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83) at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:886) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:126) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:510) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:467) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:381) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:353) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:834) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137) at java.lang.Thread.run(Thread.java:745)
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