Netty socket.io 启用Epoll 模式异常

Epoll 环境为Linux 内核2.6 以上版本  Windows下不能启动

1:判断Linux环境

　　public static boolean isOSLinux() {
        Properties prop = System.getProperties();
        String os = prop.getProperty("os.name");
        System.out.println(os);
        if (os != null && os.toLowerCase().indexOf("linux") > -1) {
            return true;
        } else {
            return false;
        }
    }

　　

　　if(isOSLinux()){
    　　//使用Linux Epoll模型
    　　log.info("启用Epoll");
    　　config.setUseLinuxNativeEpoll(true);
　　}

2:pom.xml配置

参考地址: https://www.jianshu.com/p/bb3718226f36

<dependency>
            <groupId>com.corundumstudio.socketio</groupId>
            <artifactId>netty-socketio</artifactId>
            <version>1.7.13</version>
            <exclusions>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-common</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-transpor</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-buffer</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-handler</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-codec-http</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-codec</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-resolver</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-transport</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>io.netty</groupId>
                    <artifactId>netty-transport-native-epoll</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- 客户端 -->
        <dependency>
            <groupId>io.socket</groupId>
            <artifactId>socket.io-client</artifactId>
            <version>1.0.0</version>
        </dependency>

        <dependency>
            <groupId>io.netty</groupId>
            <artifactId>netty-all</artifactId>
            <version>4.1.16.Final</version>
        </dependency>

3:启动成功后如图，有一个异常警告

处理方式

参考地址: https://github.com/robymus/netty-socketio/commit/fcc7d33df843eb2720529540ac1c37ffa0e262a4

 4: SO_LINGER 什么意思呢,
参考地址: https://www.jianshu.com/p/0bff7c020af2