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https://issues.apache.org/jira/browse/HADOOP-8251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13248078#comment-13248078
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Todd Lipcon commented on HADOOP-8251:
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bq. Please have at least one simple test that fails without the patch.
I'm just fixing what the previous patch broke. I don't have time to write a
test, since this depends on security infrastructure, etc, and I can't get that
to work right (see my comment on HDFS-3016). The original patch should have had
a test, I agree. But my options were to revert that patch, or just fix it, so I
did the latter without a test.
> SecurityUtil.fetchServiceTicket broken after HADOOP-6941
> --------------------------------------------------------
>
> Key: HADOOP-8251
> URL: https://issues.apache.org/jira/browse/HADOOP-8251
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 1.1.0, 2.0.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Blocker
> Fix For: 1.0.3, 1.1.0, 2.0.0
>
> Attachments: hadoop-8251-b1.txt, hadoop-8251.txt
>
>
> HADOOP-6941 replaced direct references to some classes with reflective access
> so as to support other JDKs. Unfortunately there was a mistake in the name of
> the Krb5Util class, which broke fetchServiceTicket. This manifests itself as
> the inability to run checkpoints or other krb5-SSL HTTP-based transfers:
> java.lang.ClassNotFoundException: sun.security.jgss.krb5
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