stanley shi created HDFS-6049:
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Summary: Web UI: Browse file system from data node will fail with
secured HDFS
Key: HDFS-6049
URL: https://issues.apache.org/jira/browse/HDFS-6049
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.2.0
Reporter: stanley shi
On a secured HDFS, the webUI for the Active Namenode will display, but when you
select a Live Datanode, the browser displays an error and does not display
datanode information. It does list a link to "Logs" but when you click on that
you get an unauthorized error message.
When user click on the "live nodes" link on the namenode webui, it goes to
"dfsnodelist.jsp" to show the list of datanodes;
on top half of the "dfsnodelist.jsp" page, you can choose to "browse the
filesystem", which direct user to the link
"http://*:50070/nn_browsedfscontent.jsp";, and this "nn_browsedfscontent.jsp"
will redirect user to a random datanode
"http://:1006/browseDirectory.jsp?namenodeInfoPort=50070&dir=/&delegation=****&nnaddr=192.168.2.201:8020";;
note here the "delegation" is added by namenode to the above link; so in this
link, user can browse the filesystem;
On the bottom half of the "dfsnodelist.jsp" page, a list of nodes are shown;
when you click on one data node, the page goes to
"http://**:1006/browseDirectory.jsp?namenodeInfoPort=50070&dir=%2F&nnaddr=192.168.2.201:8020";,
without the "delegation" part, so in this link, user will not be able to
browse the content of the filesystem, and an error message is shown.
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