native-image compilation of java netty programs for exe execution appears NioSocketChannal requires a parameterless construction

[Arbor4]

    public synchronized void start(EventLoopGroup workerGroup,
                                   ChannelInitializer channelInitializer, String host, int port) {
        try {
            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(workerGroup)
                    .channel(NioSocketChannel.class)
                    .option(ChannelOption.SO_KEEPALIVE, true)
                    .handler(channelInitializer);
            Channel channel = bootstrap.connect(host, port).sync().channel();
            channel.closeFuture().addListener((ChannelFutureListener) future -> {
                channel.deregister();
                channel.close();
            });

        } catch (Exception e) {

            workerGroup.shutdownGracefully();
            System.out.println(this.getClass() + "bootStart()中出现错误");
            e.printStackTrace();
        }
    }

[Arbor4]

<dependencies>
            <dependency>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
                <version>1.18.24</version>
            </dependency>
            <dependency>
                <groupId>org.example</groupId>
                <artifactId>JavaFrp-Model</artifactId>
                <version>1.0-SNAPSHOT</version>
            </dependency>

            <!-- https://mvnrepository.com/artifact/io.netty/netty-all -->
            <dependency>
                <groupId>io.netty</groupId>
                <artifactId>netty-all</artifactId>
                <version>4.1.100.Final</version>
            </dependency>

            <!-- https://mvnrepository.com/artifact/org.yaml/snakeyaml -->
            <dependency>
                <groupId>org.yaml</groupId>
                <artifactId>snakeyaml</artifactId>
                <version>2.0</version>
            </dependency>

            <!-- https://mvnrepository.com/artifact/com.alibaba.fastjson2/fastjson2 -->
            <dependency>
                <groupId>com.alibaba.fastjson2</groupId>
                <artifactId>fastjson2</artifactId>
                <version>2.0.40</version>
            </dependency>

        </dependencies>

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>17</maven.compiler.source>
        <maven.compiler.target>17</maven.compiler.target>
        <java.version>17</java.version>
    </properties>

[medoussboug]

Hello,I cannot see the issue you are facing. Please follow the templates in here for us to be able to process your issue.

[Arbor4]

您好，我看不到您面临的问题。请按照此处的模板进行操作，以便我们能够处理您的问题。

[Arbor4]

您好，我看不到您面临的问题。请按照此处的模板进行操作，以便我们能够处理您的问题。

The java program can run during debugging, but the above error occurs after packaging it into an exe executable program through native-image. I am using java17. I think there is a problem with the conversion result. There is no error during the conversion process.

[medoussboug]

Can you please try following this guide https://www.graalvm.org/latest/reference-manual/native-image/metadata/AutomaticMetadataCollection/.

---

From: Arbor @.> Sent: Thursday, November 2, 2023 5:37:45 PM To: oracle/graal @.> Cc: Mohamed Oussama Bougueddach @.>; Comment @.> Subject: [External] : Re: [oracle/graal] native-image compilation of java netty programs for exe execution appears NioSocketChannal requires a parameterless construction (Issue #7719)

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The java program can run during debugging, but the above error occurs after packaging it into an exe executable program through native-image. I am using java17. I think there is a problem with the conversion result. There is no error during the conversion process.

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