gistfile1.txt

      <plugin>
        <artifactId>maven-antrun-plugin</artifactId>
        <executions>
          <execution>
            <id>generate-proto-sources</id>
	    <!--            <phase>generate-sources</phase> //-->
            <configuration>
              <tasks>
                <mkdir dir="target/generated-sources/java" />
                <mkdir dir="target/generated-sources/cpp" />
                <exec executable="prodtoc" failonerror="true">
                  <arg value="--java_out=target/generated-sources/java" />
                  <arg value="--cpp_out=target/generated-sources/cpp" />
                  <arg value="src/main/protobuf/PubSubProtocol.proto" />
                </exec>
              </tasks>
              <sourceRoot>target/generated-sources/java</sourceRoot>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
<output>

[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building hedwig-protocol 3.4.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-antrun-plugin:1.3:run (default-cli) @ hedwig-protocol ---
[INFO] Executing tasks
[INFO] Executed tasks
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.684s
[INFO] Finished at: Wed Jun 01 11:11:57 CEST 2011
[INFO] Final Memory: 4M/81M
[INFO] ------------------------------------------------------------------------