Package io.netty.channel

Examples of io.netty.channel.ChannelFuture.cause()

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            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    System.out.println("Channel registered");
                } else {
                    System.err.println("Register Channel on EventLoop failed");
                    future.cause().printStackTrace();
                }
            }
        });
    }
}
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            assertThat(f2.isDone(), is(true));
            assertThat(f2.isSuccess(), is(false));
            assertThat(f2.cause(), is(instanceOf(ClosedChannelException.class)));
            assertThat(f3.isDone(), is(true));
            assertThat(f3.isSuccess(), is(false));
            assertThat(f3.cause(), is(instanceOf(ClosedChannelException.class)));
        } finally {
            group.shutdownGracefully().sync();
        }
    }
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        future.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    // The write failed, handle the error.
                    lifecycleManager.onException(ctx, future.cause());
                } else if (endOfStream) {
                    // Close the local side of the stream if this is the last frame
                    Http2Stream stream = connection.stream(streamId);
                    lifecycleManager.closeLocalSide(stream, ctx.newPromise());
                }
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        try {
            if (future.await(1000)) {
                if (future.isSuccess()) {
                    fail("A connection attempt to " + BAD_HOST + " must not succeed.");
                } else {
                    throw future.cause();
                }
            }

            if (future.cancel(true)) {
                assertThat(future.channel().closeFuture().await(500), is(true));
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    /**
     * @see {@link #connect()}
     */
    private ChannelFuture doResolveAndConnect(SocketAddress remoteAddress, final SocketAddress localAddress) {
        final ChannelFuture regFuture = initAndRegister();
        if (regFuture.cause() != null) {
            return regFuture;
        }

        final Channel channel = regFuture.channel();
        final EventLoop eventLoop = channel.eventLoop();
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            // send back a 413 and close the connection
            ChannelFuture future = ctx.writeAndFlush(TOO_LARGE).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        logger.debug("Failed to send a 413 Request Entity Too Large.", future.cause());
                        ctx.close();
                    }
                }
            });
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    }

    private ChannelFuture doBind(final SocketAddress localAddress) {
        final ChannelFuture regFuture = initAndRegister();
        final Channel channel = regFuture.channel();
        if (regFuture.cause() != null) {
            return regFuture;
        }

        if (regFuture.isDone()) {
            // At this point we know that the registration was complete and succesful.
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            // as the Channel is not registered yet we need to force the usage of the GlobalEventExecutor
            return new DefaultChannelPromise(channel, GlobalEventExecutor.INSTANCE).setFailure(t);
        }

        ChannelFuture regFuture = group().register(channel);
        if (regFuture.cause() != null) {
            if (channel.isRegistered()) {
                channel.close();
            } else {
                channel.unsafe().closeForcibly();
            }
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        f1.sync();

        ChannelFuture f2 = b.bind(0);
        f2.await();

        assertThat(f2.cause(), is(instanceOf(ChannelException.class)));
        assertThat(f2.cause().getMessage().toLowerCase(), containsString("too many channels"));

        final CountDownLatch notified = new CountDownLatch(1);
        f2.addListener(new ChannelFutureListener() {
            @Override
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        ChannelFuture f2 = b.bind(0);
        f2.await();

        assertThat(f2.cause(), is(instanceOf(ChannelException.class)));
        assertThat(f2.cause().getMessage().toLowerCase(), containsString("too many channels"));

        final CountDownLatch notified = new CountDownLatch(1);
        f2.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
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