Right way to shutdown in case of error

[float_dublin]

OK, I am using ChannelGroups this time still with no success. No channel gets
into Channelgroup in case of "Connection refused". Examining ClientBootstrap
gives no clue :( Application still hangs. So is a new thread for shuting
down the only solution?

Code:
public class ClientTest {

    @ChannelPipelineCoverage("all")
    private class Client extends SimpleChannelHandler {

        @Override
        public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent
e) throws Exception {
            group.add(e.getChannel());
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, final
ExceptionEvent e) throws Exception {
            e.getCause().printStackTrace();
            System.out.println("Channels in group: " + group.size());
            group.close().addListener(new ChannelGroupFutureListener() {

                public void operationComplete(ChannelGroupFuture future)
throws Exception {
                    bootstrap.releaseExternalResources();
                }
            });
        }
    }
    final ClientBootstrap bootstrap = new ClientBootstrap(new
NioClientSocketChannelFactory(
            Executors.newCachedThreadPool(),
Executors.newCachedThreadPool()));
    final ChannelGroup group = new DefaultChannelGroup();

    private void initClient() {
        bootstrap.setOption("tcpNoDelay", true);
        bootstrap.setOption("keepAlive", true);

        final ChannelPipeline pipeline = bootstrap.getPipeline();
        pipeline.addLast("handler", new Client());
        group.add(bootstrap.connect(new InetSocketAddress("localhost",
20001)).getChannel());
    }

    public static void main(String[] args) {
        new ClientTest().initClient();
    }
}
-- 
View this message in context: http://n2.nabble.com/Right-way-to-shutdown-in-case-of-error-tp3637599p3641407.html
Sent from the Netty User Group mailing list archive at Nabble.com.