Home / cs-notes / Architecture / Components / Netty / Handler / ExceptionCaught

Inbound

• ChannelInboundHandler
  • exceptionCaught

Outbound

• ChannelFuture

ChannelFuture future = channel.write(message);
future.addListener(exceptionCaughtListener);

• ChannelPromise

public class OutboundExceptionHandler extends ChannelOutboundHandlerAdapter {
    @Override
    public void write(ctx, msg, promise) {
        promise.addListener(exceptionCaughtListener);
    }
}

---