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AssertionError in Channel.config().getOptions() when nio is used

See original GitHub issue

After migrating from 4.1.27.Final to 4.1.28.Final the following error appeared

Expected behavior

no errors

Actual behavior

java.lang.AssertionError: Option not found

	at sun.nio.ch.Net.getSocketOption(Net.java:360)
	at sun.nio.ch.ServerSocketChannelImpl.getOption(ServerSocketChannelImpl.java:177)
	at io.netty.channel.socket.nio.NioChannelOption.getOption(NioChannelOption.java:65)
	at io.netty.channel.socket.nio.NioServerSocketChannel$NioServerSocketChannelConfig.getOption(NioServerSocketChannel.java:216)
	at io.netty.channel.DefaultChannelConfig.getOptions(DefaultChannelConfig.java:94)
	at io.netty.channel.socket.nio.NioServerSocketChannel$NioServerSocketChannelConfig.getOptions(NioServerSocketChannel.java:225)
	at NettyNioChannelGetOptions.test(NettyNioChannelGetOptions.java:36)

Steps to reproduce

run below test

Minimal yet complete reproducer code (or URL to code)

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import org.junit.Test;

import java.net.InetSocketAddress;
import java.net.SocketAddress;

public class NettyNioChannelGetOptions {

    @Test
    public void test() throws InterruptedException {
        ServerBootstrap bootstrap = new ServerBootstrap().
            group(new NioEventLoopGroup(1), new NioEventLoopGroup(1)).
            channel(NioServerSocketChannel.class).
            childHandler(new ChannelHandler() {
                @Override
                public void handlerAdded(ChannelHandlerContext ctx) {
                }

                @Override
                public void handlerRemoved(ChannelHandlerContext ctx) {
                }

                @Override
                public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
                }
            });
        SocketAddress address = new InetSocketAddress("0.0.0.0", 18389);
        Channel channel = bootstrap.bind(address).sync().channel();
        channel.config().getOptions(); // throws java.lang.AssertionError: Option not found
        channel.close();
    }
}

Netty version

4.1.28.Final

JVM version (e.g. `java -version`)

java version "1.8.0_161"
Java(TM) SE Runtime Environment (build 1.8.0_161-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.161-b12, mixed mode)

OS version (e.g. `uname -a`)

OS X El Capitan 10.11.6 Darwin xxx 15.6.0 Darwin Kernel Version 15.6.0: Thu Jun 21 20:07:40 PDT 2018; root:xnu-3248.73.11~1/RELEASE_X86_64 x86_64

Issue Analytics

State:
Created 5 years ago
Comments:10 (8 by maintainers)

Top GitHub Comments

1reaction

normanmaurercommented, Aug 9, 2018

Fixed by https://github.com/netty/netty/pull/8183

1reaction

normanmaurercommented, Aug 8, 2018

Here is a PR with a workaround: https://github.com/netty/netty/pull/8183

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