2.4.2客户端消费数据出现netty解码错误

[duke88]

2018-07-23 18:13:48.381 [nioEventLoopGroup-11-1] WARN [{}] Uncaught exception in connection pipeline
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(8) + length(1034) exceeds writerIndex(1022): PooledUnsafeHeapByteBuf(ridx: 8, widx: 1022, cap: 1024)
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:98) ~[netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:312) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:286) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:335) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1304) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:356) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:342) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:921) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:135) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:646) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:581) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:498) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:460) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-all-4.0.56.Final.jar:4.0.56.Final]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
Caused by: java.lang.IndexOutOfBoundsException: readerIndex(8) + length(1034) exceeds writerIndex(1022): PooledUnsafeHeapByteBuf(ridx: 8, widx: 1022, cap: 1024)
at io.netty.buffer.AbstractByteBuf.checkReadableBytes0(AbstractByteBuf.java:1161) ~[netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.buffer.AbstractByteBuf.checkReadableBytes(AbstractByteBuf.java:1148) ~[netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.buffer.AbstractByteBuf.readBytes(AbstractByteBuf.java:697) ~[netty-all-4.0.56.Final.jar:4.0.56.Final]
at io.netty.buffer.AbstractByteBuf.readBytes(AbstractByteBuf.java:705) ~[netty-all-4.0.56.Final.jar:4.0.56.Final]
at com.youzan.nsq.client.network.netty.NSQDecoder.decode(NSQDecoder.java:35) ~[NSQ-Client-2.4.2.jar:?]
at com.youzan.nsq.client.network.netty.NSQDecoder.decode(NSQDecoder.java:15) ~[NSQ-Client-2.4.2.jar:?]
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:88) ~[netty-all-4.0.56.Final.jar:4.0.56.Final]
... 24 more
2018-07-23 18:13:48.381 [nioEventLoopGroup-11-1] INFO [{}] Disconnect from nsqd 172.17.0.250:4150, RoundRecord, 0, false ...

[DoraALin]

@duke88 堆栈中的netty的版本是4.0.56，这个版本没有测试过。建议使用4.1.13 final。另外客户端的配置和nsq的信息可以提供一下，方便复现。

[duke88]

更换到netty4.1.13依然出现这个问题，都是采用的默认配置，客户端打开了压缩DEFLATE，压缩级别3，打开了自动FIN，只要消息多一点就会时不时报如下错误：

2018-07-24 18:30:22.495 [nioEventLoopGroup-5-6] ERROR [{}] Un recognized NSQ Frame! Please check NSQ protocol!
2018-07-24 18:30:22.495 [nioEventLoopGroup-5-6] WARN [{}] Uncaught exception in connection pipeline
io.netty.handler.codec.DecoderException: com.youzan.nsq.client.exception.NSQException: Bad frame id from server (16777216). It will be disconnected!

2018-07-24 18:29:57.779 [nioEventLoopGroup-6-8] WARN [{}] Uncaught exception in connection pipeline
io.netty.handler.codec.DecoderException: java.lang.NegativeArraySizeException

2018-07-24 18:30:11.522 [nioEventLoopGroup-3-2] WARN [{}] Uncaught exception in connection pipeline
io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsException: readerIndex(8) + length(131068) exceeds writerIndex(76): PooledUnsafeHeapByteBuf(ridx: 8, widx: 76, cap: 128)