title: Hadoop web Page," SlaveNodeName:50060/tasktracker.jsp" is unreachable
body: <p>Recently I have configure a hadoop platform with three computer:one is for namenode/jobtracker. The other two is for tasktracker, the computer name is gp and ls-ubuntu. But the question is when I want to search the gp Node from web Page, I am rejected. What happened?</p>
  
  <p>On gp Node, the /etc/hosts is as follows:
  192.168.0.102   gp      # Added by NetworkManager</p>
  
  <p>127.0.0.1       localhost.localdomain   localhost</p>
  
  <p>::1     gp      localhost6.localdomain6 localhost6</p>
  
  <p>192.168.0.89    node1</p>
  
  <p>192.168.0.77    node2</p>
  
  <p>192.168.0.102   node3</p>
  
  <p>127.0.1.1       gp</p>
  
  <p>node1 is my jobtracker, node2 and node3 is tasktrackers.</p>
  
  <p>the url of gp is unreachable:   <a href="http://gp:50075/browseDirectory.jsp--------------wrong" rel="nofollow">http://gp:50075/browseDirectory.jsp--------------wrong</a>
  when I modify the gp to node3, it seems right. But I can't go to the datanode page only by click the link。</p>
  
  <p>I have use ssh to connect all the nodes.</p>
  
  <p>What should I do? Thanks in advance.</p>