maven.md

protobuf插件

<plugin>
  <groupId>org.xolstice.maven.plugins</groupId>
  <artifactId>protobuf-maven-plugin</artifactId>
  <configuration>
    <protocArtifact>
      com.google.protobuf:protoc:${shaded.protobuf.version}:exe:${os.detected.classifier}
    </protocArtifact>
    <!-- Place these in a location that compiler-plugin is already looking -->
    <outputDirectory>${project.build.directory}/generated-sources</outputDirectory>
    <!-- With multiple executions, this must be `false` otherwise we wipe out the previous execution -->
    <clearOutputDirectory>false</clearOutputDirectory>
  </configuration>
  <executions>
    <execution>
      <id>compile-protobuf</id>
      <phase>generate-sources</phase>
      <goals>
        <goal>compile</goal>
      </goals>
    </execution>
    <execution>
      <id>compile-grpc</id>
      <phase>generate-sources</phase>
      <goals>
        <goal>compile-custom</goal>
      </goals>
      <configuration>
        <pluginId>grpc-java</pluginId>
        <pluginArtifact>
          io.grpc:protoc-gen-grpc-java:${shaded.grpc.version}:exe:${os.detected.classifier}
        </pluginArtifact>
      </configuration>
    </execution>
  </executions>
</plugin>

生命周期

Reactor Build Order

指定java版本

<build>
    <plugins>
        <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>