Apache Camel Netty4 Decoder












0















How can I use camel-netty4 component to process raw bytes and not textLine? I tried to use:



from("netty4:tcp://{{my.host}}:{{my.port}}?encoder=#myEncoder&decoder=#myDecoder&disconnect=true");


where



class MyDecoder extends ByteToMessageDecoder {

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
out.add(in.readBytes(in.readableBytes()));
in.retain();
}
}


but I receive:



Caused by: io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1
at io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:100) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:88) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:109) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
... 12 common frames omitted









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    0















    How can I use camel-netty4 component to process raw bytes and not textLine? I tried to use:



    from("netty4:tcp://{{my.host}}:{{my.port}}?encoder=#myEncoder&decoder=#myDecoder&disconnect=true");


    where



    class MyDecoder extends ByteToMessageDecoder {

    @Override
    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    out.add(in.readBytes(in.readableBytes()));
    in.retain();
    }
    }


    but I receive:



    Caused by: io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1
    at io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:100) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
    at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
    at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:88) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
    at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:109) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
    ... 12 common frames omitted









    share|improve this question

























      0












      0








      0








      How can I use camel-netty4 component to process raw bytes and not textLine? I tried to use:



      from("netty4:tcp://{{my.host}}:{{my.port}}?encoder=#myEncoder&decoder=#myDecoder&disconnect=true");


      where



      class MyDecoder extends ByteToMessageDecoder {

      @Override
      protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
      out.add(in.readBytes(in.readableBytes()));
      in.retain();
      }
      }


      but I receive:



      Caused by: io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1
      at io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:100) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:88) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:109) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      ... 12 common frames omitted









      share|improve this question














      How can I use camel-netty4 component to process raw bytes and not textLine? I tried to use:



      from("netty4:tcp://{{my.host}}:{{my.port}}?encoder=#myEncoder&decoder=#myDecoder&disconnect=true");


      where



      class MyDecoder extends ByteToMessageDecoder {

      @Override
      protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
      out.add(in.readBytes(in.readableBytes()));
      in.retain();
      }
      }


      but I receive:



      Caused by: io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1
      at io.netty.buffer.AbstractReferenceCountedByteBuf.release0(AbstractReferenceCountedByteBuf.java:100) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      at io.netty.buffer.AbstractReferenceCountedByteBuf.release(AbstractReferenceCountedByteBuf.java:84) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      at io.netty.util.ReferenceCountUtil.release(ReferenceCountUtil.java:88) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:109) ~[netty-all-4.1.29.Final.jar:4.1.29.Final]
      ... 12 common frames omitted






      java apache-camel netty






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      asked Nov 15 '18 at 9:00









      Marcin WiśniewskiMarcin Wiśniewski

      125112




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