Failed to initialize a channel. Closing: [id: 0x1bd7c1d4, /0:0:0:0:0:0:0:1:56640 => /0:0:0:0:0:0:0:1:8888]-慕课网

Failed to initialize a channel. Closing: [id: 0x1bd7c1d4, /0:0:0:0:0:0:0:1:56640 => /0:0:0:0:0:0:0:1:8888]

来源：5-6 WebSocket启动类的实现

慕田峪0847372

2018-06-19 13:53

六月 19, 2018 1:49:25 下午 io.netty.channel.ChannelInitializer channelRegistered
警告: Failed to initialize a channel. Closing: [id: 0x1bd7c1d4, /0:0:0:0:0:0:0:1:56640 => /0:0:0:0:0:0:0:1:8888]
java.lang.IllegalArgumentException: Duplicate handler name: aggregator
at io.netty.channel.DefaultChannelPipeline.checkDuplicateName(DefaultChannelPipeline.java:949)
at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:141)
at io.netty.channel.DefaultChannelPipeline.addLast(DefaultChannelPipeline.java:130)
at xzx.MyWebSocketChannelHandler.initChannel(MyWebSocketChannelHandler.java:14)
at xzx.MyWebSocketChannelHandler.initChannel(MyWebSocketChannelHandler.java:10)
at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:69)
at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelRegisteredNow(ChannelHandlerInvokerUtil.java:30)
at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRegistered(DefaultChannelHandlerInvoker.java:49)
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRegistered(DefaultChannelHandlerContext.java:285)
at io.netty.channel.ChannelInitializer.channelRegistered(ChannelInitializer.java:71)
at io.netty.channel.ChannelHandlerInvokerUtil.invokeChannelRegisteredNow(ChannelHandlerInvokerUtil.java:30)
at io.netty.channel.DefaultChannelHandlerInvoker.invokeChannelRegistered(DefaultChannelHandlerInvoker.java:49)
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRegistered(DefaultChannelHandlerContext.java:285)
at io.netty.channel.DefaultChannelPipeline.fireChannelRegistered(DefaultChannelPipeline.java:801)
at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:427)
at io.netty.channel.AbstractChannel$AbstractUnsafe.access$100(AbstractChannel.java:369)
at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:403)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:318)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:353)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:794)
at java.lang.Thread.run(Thread.java:745)

写回答关注

4回答

慕设计6411780

2019-08-22 13:46:29

pipeline.addLast("handler", new MyWebSocketHandler()); 之前写成pipeline.addLast("handler", new MyWebSocketChannelHandler()); 了，结果报的重复的问题。改了就好了

0 1
天道酬勤_xsj

2019-07-24 02:09:38
我也是这个问题，换了
```
5.0.0.Alpha2
```
就报这个错误，不知道该怎么解决
0 0
黎明的烬

2018-07-02 15:41:06

你好，请问找到原因了吗？

0 0
花落无声0718

2018-06-19 14:21:13

aggregator 这个 handler 你加了2次吧

0 0