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From: "Stephen Chu (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HADOOP-11267) TestSecurityUtil fails when run
 with JDK8 because of empty principal names
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    [ https://issues.apache.org/jira/browse/HADOOP-11267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14198908#comment-14198908 ] 

Stephen Chu commented on HADOOP-11267:
--------------------------------------

Arg, forgot to remove the unnecessary import. Will submit another patch.

> TestSecurityUtil fails when run with JDK8 because of empty principal names
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-11267
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11267
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security, test
>    Affects Versions: 2.3.0
>            Reporter: Stephen Chu
>            Assignee: Stephen Chu
>            Priority: Minor
>         Attachments: HADOOP-11267.1.patch, HADOOP-11267.2.patch
>
>
> Running {{TestSecurityUtil}} on JDK8 will fail:
> {code}
> java.lang.IllegalArgumentException: Empty nameString not allowed
> 	at sun.security.krb5.PrincipalName.validateNameStrings(PrincipalName.java:171)
> 	at sun.security.krb5.PrincipalName.<init>(PrincipalName.java:393)
> 	at sun.security.krb5.PrincipalName.<init>(PrincipalName.java:460)
> 	at javax.security.auth.kerberos.KerberosPrincipal.<init>(KerberosPrincipal.java:120)
> 	at org.apache.hadoop.security.TestSecurityUtil.isOriginalTGTReturnsCorrectValues(TestSecurityUtil.java:57)
> {code}
> In JDK8, PrincipalName checks that its name is not empty and throws an IllegalArgumentException if it is empty. This didn't happen in JDK6/7.



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