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https://issues.apache.org/jira/browse/HDFS-2368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115747#comment-13115747
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Arpit Gupta commented on HDFS-2368:
-----------------------------------
also the namenode ui does not come up if the configs for the kerberos do not
have the correct values. So we should put this in release notes until this is
fixed.
> defaults created for web keytab and principal, these properties should not
> have defaults
> ----------------------------------------------------------------------------------------
>
> Key: HDFS-2368
> URL: https://issues.apache.org/jira/browse/HDFS-2368
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20.205.0
> Reporter: Arpit Gupta
> Assignee: Tsz Wo (Nicholas), SZE
>
> the following defaults are set in hdfs-defaults.xml
> <property>
> <name>dfs.web.authentication.kerberos.principal</name>
> <value>HTTP/${dfs.web.hostname}@${kerberos.realm}</value>
> <description>
> The HTTP Kerberos principal used by Hadoop-Auth in the HTTP endpoint.
> The HTTP Kerberos principal MUST start with 'HTTP/' per Kerberos
> HTTP SPENGO specification.
> </description>
> </property>
> <property>
> <name>dfs.web.authentication.kerberos.keytab</name>
> <value>${user.home}/dfs.web.keytab</value>
> <description>
> The Kerberos keytab file with the credentials for the
> HTTP Kerberos principal used by Hadoop-Auth in the HTTP endpoint.
> </description>
> </property>
> These properties should not have defaults
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