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https://issues.apache.org/jira/browse/HADOOP-9679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13696603#comment-13696603
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fang fang chen commented on HADOOP-9679:
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With hadoop-2.0.3, seems this issue can be avoided via setting
kerberos.name.rules at server side. But this setting does not work at
hadoop-1.1.1.
I think we should set KerberosName.rules with a default value during
KerberosName(String Name) which is invoked at
KerberosAuthenticationHandler.authenticate(HttpServletRequest request, final
HttpServletResponse response) .
> KerberosName.rules are not initialized during adding kerberos support to a
> web servlet using hadoop authentications
> -------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-9679
> URL: https://issues.apache.org/jira/browse/HADOOP-9679
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 1.1.2, 2.0.4-alpha
> Reporter: fang fang chen
>
> I am using hadoop-1.1.1 to add kerberos authentication to a web service. But
> found rules are not initialized, that makes following error happened:
> java.lang.NullPointerException
> at
> org.apache.hadoop.security.KerberosName.getShortName(KerberosName.java:384)
> at
> org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler$2.run(KerberosAuthenticationHandler.java:328)
> at
> org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler$2.run(KerberosAuthenticationHandler.java:302)
> at
> java.security.AccessController.doPrivileged(AccessController.java:310)
> at javax.security.auth.Subject.doAs(Subject.java:573)
> at
> org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler.authenticate(KerberosAuthenticationHandler.java:302)
> at
> org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:340)
> Seems in hadoop-2.0.3, this issue still is not fixed.
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