camel netty server ByteToMessageDecoder error..

[James Kim]

as i am a beginner of camel. i wanna get a hint to solve my problem. here is my code

full source link : https://github.com/kcy0142/camel_netty_test

@Configuration
public class ChannelHandlerFactoryByteArrayDecoder implements ChannelHandlerFactory {

    @Bean(name="vpaByteDecoder")
    @Qualifier("vpaByteDecoder")
    public ChannelHandler newChannelHandler() {
      return (ChannelHandler) new VpaByteDecoder();
    }
    public  class VpaByteDecoder extends ByteToMessageDecoder{

    }
}

and my router is

from("netty4:tcp://localhost:8004?textline=true&sync=true&decoders=#vpaByteDecoder&encoders=#stringEncoder").

and error is invoked like this

io.netty.channel.ChannelPipelineException: config.ChannelHandlerFactoryDecoder$VpaByteDecoder is not a @Sharable handler, so can't be added or removed multiple times.

ByteToMessageDecoder should not sharable. so i implenmented ChannelHandlerFactory

i dont know the reason.plaease show me the way to understand my problem.

[Norman Maurer]

You should ask on the camel mailinglist as it seems like camel tries to add the handler multiple times

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