maven pom集羣打包衝突

======================================解決jar衝突=====================================

Forexample com.google.protobuf 和運行環境有衝突

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-shade-plugin</artifactId>
  <version>2.4.3</version>
  <executions>
    <execution>
      <phase>package</phase>
      <goals>
        <goal>shade</goal>
      </goals>
      <configuration>
        <relocations>
          <relocation>
            <pattern>com.google.protobuf</pattern>
            <shadedPattern>org.shaded.google.protobuf</shadedPattern>
          </relocation>
        </relocations>
        <filters>
          <filter>
            <artifact>*:*</artifact>
            <excludes>
              <exclude>META-INF/*.SF</exclude>
              <exclude>META-INF/*.DSA</exclude>
              <exclude>META-INF/*.RSA</exclude>
            </excludes>
          </filter>
        </filters>
      </configuration>
    </execution>
  </executions>
</plugin>