我在完成hdfs的Kerberos认证后，命令行访问HDFS可以成功。

但是在浏览器中访问HDFS“http://master:50070/nn_browsedfscontent.jsp”，系统报错，报错信息如下： 

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:511)
	at org.apache.hadoop.hdfs.server.namenode.JspHelper.getUGI(JspHelper.java:450)
	at org.apache.hadoop.hdfs.server.namenode.nn_005fbrowsedfscontent_jsp.redirectToRandomDataNode(nn_005fbrowsedfscontent_jsp.java:51)
	at org.apache.hadoop.hdfs.server.namenode.nn_005fbrowsedfscontent_jsp._jspService(nn_005fbrowsedfscontent_jsp.java:117)
	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:835)
	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)

大家在配置时有没有遇到这样的问题？我折腾三天了，到现在是直接毫无头绪了，大家是怎么解决的？help, please！