POM.xml設定

國網中心所用Hadoop版本為Cloudera 的CDH 2.6.0-cdh5.5.1，建議使用MAVEN管理MapReduce程式的dependency。請依下圖設定Cloudera的MAVEN Repository, 與相依的版本：

<repositories>
   <repository>
      <id>cloudera</id>
      <url>https://repository.cloudera.com/artifactory/cloudera-repos/</url>
   </repository>
</repositories>
<dependencies>
   <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-mapreduce-client-core</artifactId>
      <version>2.6.0-cdh5.5.1</version>
   </dependency>
   <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-common</artifactId>
      <version>2.6.0-cdh5.5.1</version>
   </dependency>
   <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-mapreduce-client-common</artifactId>
      <version>2.6.0-cdh5.5.1</version>
   </dependency>
   <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-mapreduce-client-jobclient</artifactId>
      <version>2.6.0-cdh5.5.1</version>
   </dependency>
       <dependency>
           <groupId>org.apache.hadoop</groupId>
           <artifactId>hadoop-hdfs</artifactId>
           <version>2.6.0-cdh5.5.1</version>
       </dependency>
 </dependencies>