Vasu Mariyala created HDFS-5263:
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Summary: Delegation token is not created generateNodeDataHeader
method of NamenodeJspHelper$NodeListJsp
Key: HDFS-5263
URL: https://issues.apache.org/jira/browse/HDFS-5263
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode, webhdfs
Reporter: Vasu Mariyala
When Kerberos authentication is enabled, we are unable to browse to the data
nodes using ( Name node web page --> Live Nodes --> Select any of the data
nodes). The reason behind this is the delegation token is not provided as part
of the url in the method (generateNodeDataHeader method of NodeListJsp)
{code}
String url = HttpConfig.getSchemePrefix() + d.getHostName() + ":"
+ d.getInfoPort()
+ "/browseDirectory.jsp?namenodeInfoPort=" + nnHttpPort + "&dir="
+ URLEncoder.encode("/", "UTF-8")
+ JspHelper.getUrlParam(JspHelper.NAMENODE_ADDRESS, nnaddr);
{code}
But browsing the file system using name node web page --> Browse the file
system -> <any directory> is working fine as the redirectToRandomDataNode
method of NamenodeJspHelper creates the delegation token
{code}
redirectLocation = HttpConfig.getSchemePrefix() + fqdn + ":" + redirectPort
+ "/browseDirectory.jsp?namenodeInfoPort="
+ nn.getHttpAddress().getPort() + "&dir=/"
+ (tokenString == null ? "" :
JspHelper.getDelegationTokenUrlParam(tokenString))
+ JspHelper.getUrlParam(JspHelper.NAMENODE_ADDRESS, addr);
{code}
I will work on providing a patch for this issue.
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