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HDFS >> mail # user >> How to configure kerberos to access namenode's web jsp?


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Re: How to configure kerberos to access namenode's web jsp?
Hi,

You will need to additionally follow this for getting back web UI
functionality on a secured cluster:
http://hadoop.apache.org/common/docs/stable/HttpAuthentication.html

Let us know if it helps!

On Thu, Jun 14, 2012 at 4:16 PM, shixing <[EMAIL PROTECTED]> wrote:
> Hi, hadooper:
>    I configure kerberos in hdfs, when I access
> http://hdpnn:50070/nn_browsedfscontent.jsp, I got the error like this:
>
> HTTP ERROR 500
>
> Problem accessing /nn_browsedfscontent.jsp. Reason:
>
>    Security enabled but user not authenticated by filter
>
> Caused by:
>
> java.io.IOException: Security enabled but user not authenticated by filter
>        at org.apache.hadoop.hdfs.server.namenode.JspHelper.getUGI(JspHelper.java:462)
>        at org.apache.hadoop.hdfs.server.namenode.nn_005fbrowsedfscontent_jsp.getDelegationToken(nn_005fbrowsedfscontent_jsp.java:32)
>        at org.apache.hadoop.hdfs.server.namenode.nn_005fbrowsedfscontent_jsp.redirectToRandomDataNode(nn_005fbrowsedfscontent_jsp.java:52)
>        at org.apache.hadoop.hdfs.server.namenode.nn_005fbrowsedfscontent_jsp._jspService(nn_005fbrowsedfscontent_jsp.java:115)
>        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
>        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
>        at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:829)
>        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
>        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
>        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
>        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>        at org.mortbay.jetty.Server.handle(Server.java:326)
>        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
>        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
>        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
>        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
>        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
>
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> --
> Best wishes!
> My Friend~

--
Harsh J