java.lang.NullPointerException

GitHub | quorak | 5 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.parseTicker()
  2. org.knowm.xchange
    WebSocketClientHandler.channelRead0
    1. org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.parseTicker(OkCoinWebSocketService.java:84)
    2. org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.parseMarketData(OkCoinWebSocketService.java:78)
    3. org.knowm.xchange.okcoin.service.streaming.OkCoinWebSocketService.onReceive(OkCoinWebSocketService.java:51)
    4. org.knowm.xchange.okcoin.service.streaming.WebSocketClientHandler.channelRead0(WebSocketClientHandler.java:75)
    4 frames
  3. Netty
    DefaultThreadFactory$DefaultRunnableDecorator.run
    1. io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
    2. io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83)
    3. io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153)
    4. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182)
    5. io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
    6. io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83)
    7. io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153)
    8. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182)
    9. io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:163)
    10. io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83)
    11. io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153)
    12. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182)
    13. io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:971)
    14. io.netty.handler.ssl.SslHandler.decode(SslHandler.java:854)
    15. io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:249)
    16. io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:149)
    17. io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelReadNow(ChannelHandlerInvokerUtil.java:83)
    18. io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRead(DefaultChannelHandlerInvoker.java:153)
    19. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:182)
    20. io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:886)
    21. io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:126)
    22. io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:510)
    23. io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:467)
    24. io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:381)
    25. io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:353)
    26. io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:834)
    27. io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    27 frames
  4. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame