下载

• oracle_jdbc驱动程序下载方法：
  http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-112010-090769.html

• hadoop-documentation下载方法：

  • 在下载hadoop-x.x.x.tar.gz，解压后share/doc目录即是。
  • https://stackoverflow.com/questions/28186507/how-to-download-hadoop-documentation-of-specific-version
    
    • Find out the links of the versions you need to download from
      https://svn.apache.org/repos/asf/hadoop/common/site/main/publish/docs/
    • Do svn checkout, Example
      

      svn checkout https://svn.apache.org/repos/asf/hadoop/common/site/main/publish/docs/r2.5.2/