centos安装Anaconda2 报错了?报错

Anaconda2 will now be installed into this location:
/home/hadoop/anaconda2

  - Press ENTER to confirm the location
  - Press CTRL-C to abort the installation
  - Or specify a different location below

[/home/hadoop/anaconda2] >>> 
PREFIX=/home/hadoop/anaconda2
tar (child): bzip2: Cannot exec: No such file or directory
tar (child): Error is not recoverable: exiting now
tar: Child returned status 2
tar: Error is not recoverable: exiting now