报错如下:

Failed to execute goal org.xolstice.maven.plugins:protobuf-maven-plugin:0.6.1:compile-custom (default) on project : Unable to resolve artifact: Missing:

原pom 文件:

pom 依赖下载及安装: https://github.com/grpc/grpc-java/

<dependencies>
        <dependency>
            <groupId>io.grpc</groupId>
            <artifactId>grpc-protobuf</artifactId>
            <version>1.51.0</version>
        </dependency>
        <dependency>
            <groupId>io.grpc</groupId>
            <artifactId>grpc-stub</artifactId>
            <version>1.51.0</version>
        </dependency>
        <dependency>
            <groupId>io.grpc</groupId>
            <artifactId>grpc-netty</artifactId>
            <version>1.51.0</version>
        </dependency>
        <dependency>
            <groupId>com.google.protobuf</groupId>
            <artifactId>protobuf-java</artifactId>
            <version>3.21.9</version>
        </dependency>


    </dependencies>
    <build>
        <extensions>
            <extension>
                <groupId>kr.motd.maven</groupId>
                <artifactId>os-maven-plugin</artifactId>
                <version>1.6.2</version>
            </extension>
        </extensions>
        <plugins>
            <plugin>
                <groupId>org.xolstice.maven.plugins</groupId>
                <artifactId>protobuf-maven-plugin</artifactId>
                <version>0.6.1</version>
                <configuration>
                    <protocArtifact>com.google.protobuf:protoc:3.21.7:exe:${os.detected.classifier}</protocArtifact>
                    <pluginId>grpc-java</pluginId>
                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.51.0:exe:${os.detected.classifier}</pluginArtifact>
                    <protoSourceRoot>src/main/proto</protoSourceRoot>
                    <outputDirectory>src/main/java</outputDirectory>
                    <clearOutputDirectory>false</clearOutputDirectory>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>compile</goal>
                            <goal>compile-custom</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

解决办法

替换版本

<configuration>
<!--                    <protocArtifact>com.google.protobuf:protoc:3.21.7:exe:${os.detected.classifier}</protocArtifact>-->
<!--                    <pluginId>grpc-java</pluginId>-->
<!--                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.51.0:exe:${os.detected.classifier}</pluginArtifact>-->
<!--                    <protoSourceRoot>src/main/proto</protoSourceRoot>-->
<!--                    <outputDirectory>src/main/java</outputDirectory>-->

                    <protocArtifact>com.google.protobuf:protoc:3.3.0:exe:${os.detected.classifier}</protocArtifact>
                    <pluginId>grpc-java</pluginId>
                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.6.1:exe:${os.detected.classifier}</pluginArtifact>
                    <protoSourceRoot>src/main/proto</protoSourceRoot>
                    <outputDirectory>src/main/java</outputDirectory>
                    <clearOutputDirectory>false</clearOutputDirectory>
                </configuration>