title: "process information unavailable", jps command in linux
body: <p>we use jps command to see which hadoop process is live, but since few days jps command is showing output like this.</p>
  
  <pre><code>    [root@master ~]# jps
      3814 -- process information unavailable
      2266 -- process information unavailable
      6197 -- process information unavailable
      7092 Jps
      6415 -- process information unavailable
      6027 -- process information unavailable
  </code></pre>
  
  <p>the actual ouput should be </p>
  
  <pre><code>[root@slave ~]# jps
  5039 Jps
  2764 Application
  2468 DataNode
  2349 TaskTracker
  </code></pre>
  
  <p>is there any way which it will show me process information??</p>