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Posted to notifications@dubbo.apache.org by "pbmh92 (via GitHub)" <gi...@apache.org> on 2023/06/29 08:26:47 UTC
[GitHub] [dubbo] pbmh92 opened a new issue, #12621: NettyPortUnificationServerHandler.decode 空指针异常
pbmh92 opened a new issue, #12621:
URL: https://github.com/apache/dubbo/issues/12621
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- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
### Environment
* Dubbo version: 3.1.10
* Operating System version: xxx
* Java version: 1.8
### Steps to reproduce this issue
偶发，有个服务报这个错误，调用方超时
Pls. provide [GitHub address] to reproduce this issue.
### Expected Behavior
<!-- What do you expect from the above steps？-->
### Actual Behavior
<!-- What actually happens? -->
If there is an exception, please attach the exception trace:
类名 org.apache.dubbo.remoting.transport.netty4.NettyPortUnificationServerHandler
方法名 NettyServerWorker-7-2
线程名 NettyServerWorker-7-2
内容
[DUBBO] Unexpected exception from downstream before protocol detected., dubbo version: 3.1.10, current host: 172.17.0.1, error code: 99-0. This may be caused by unknown error in remoting module, go to https://dubbo.apache.org/faq/99/0 to find instructions.
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:471)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:276)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at org.apache.dubbo.remoting.transport.netty4.NettyPortUnificationServerHandler.decode(NettyPortUnificationServerHandler.java:100)
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:501)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:440)
... 17 more
```
Just put your stack trace here!
```
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[GitHub] [dubbo] AlbumenJ commented on issue #12621: NettyPortUnificationServerHandler.decode 空指针异常
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #12621:
URL: https://github.com/apache/dubbo/issues/12621#issuecomment-1617565031
@EarthChen @icodening PTAL
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Re: [I] NettyPortUnificationServerHandler.decode 空指针异常 [dubbo]
Posted by "Floweryu (via GitHub)" <gi...@apache.org>.
Floweryu commented on issue #12621:
URL: https://github.com/apache/dubbo/issues/12621#issuecomment-1965733911
I also encountered this problem，my dubbo version is 3.1.2
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