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https://issues.apache.org/jira/browse/HADOOP-9679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13696944#comment-13696944
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Suresh Srinivas commented on HADOOP-9679:
-----------------------------------------
[~fang fang chen] Please provide the patch for the trunk. Set the target
version field to the release that is due out (in this case 2.1.0-beta).
Committer will merge the patch to that branch.
Quick comment, please follow coding guidelines. Use 2 space indentation.
> 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: 1.1.1, 2.0.4-alpha
> Reporter: fang fang chen
> Attachments: HADOOP-9679.patch
>
>
> 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-2.0.4-alpha branch, this issue still is still there.
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