Thank yours response. I am using hadoop-2.0.0-alpha from apache site. In which version it should configure with HTTP/_h...@site.com? I think not in hadoop-2.0.0-alpha. Because I login successful with other principal, pls refer below log:
2012-07-23 22:48:17,303 INFO org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler: Login using keytab /home/hdfs/keytab/nn.service.keytab, for principal nn/167-52-0-56.site@site 2012-07-23 22:48:17,310 INFO org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler: Initialized, principal [nn/167-52-0-56.site@site] from keytab [/home/hdfs/keytab/nn.service.keytab] -----邮件原件----- 发件人: Arpit Gupta [mailto:ar...@hortonworks.com] 发送时间: 2012年7月27日 9:22 收件人: common-dev@hadoop.apache.org 主题: Re: regarding _HOST token replacement in security hadoop what version of hadoop are you using? also dfs.web.authentication.kerberos.principal should be set to HTTP/_h...@site.com -- Arpit Gupta Hortonworks Inc. http://hortonworks.com/ On Jul 26, 2012, at 6:11 PM, Wangwenli <wangwe...@huawei.com> wrote: > Hi all, > > I configured like below in hdfs-site.xml: > > <property> > <name>dfs.namenode.kerberos.principal</name> > <value>nn/_HOST@site</value> > </property> > > > <property> > <name>dfs.web.authentication.kerberos.principal</name> > <value>nn/_HOST@site</value> > </property> > > > When start up namenode, I found, namenode will use principal : > nn/167-52-0-56@site to login, but the http server will use > nn/167-52-0-56.site@site<mailto:nn/167-52-0-56.site@site> to lgin, so it > start failed. > > I checked the code, > > Namenode will use socAddr.getHostName() to get hostname in > org.apache.hadoop.hdfs.server.namenode.NameNode.loginAsNameNodeUser. > > > But httpserver 's default hostname is 0.0.0.0, so in > org.apache.hadoop.security.SecurityUtil.replacePattern, it will get the > hostname by invoking getLocalHostName,there it use getCanonicalHostName(), > > I think this inconsistent is wrong, can someone confirm this? Need raise one > bug ? > > Thanks >