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https://issues.apache.org/jira/browse/HADOOP-15123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16295441#comment-16295441
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Steve Loughran commented on HADOOP-15123:
-----------------------------------------
+1
committed, to branch-2, branch-3.0 & trunk. Thanks!
> KDiag tries to load krb5.conf from KRB5CCNAME instead of KRB5_CONFIG
> --------------------------------------------------------------------
>
> Key: HADOOP-15123
> URL: https://issues.apache.org/jira/browse/HADOOP-15123
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.8.0, 2.9.0, 3.0.0
> Reporter: Vipin Rathor
> Assignee: Vipin Rathor
> Priority: Minor
> Attachments: HADOOP-15123.0001.patch, HADOOP-15123.0002.patch
>
>
> If Kerberos credential cache file location is overridden in environment, then
> KDiag tries to read its value for Kerberos configuration. For example,
> {code:java}
> # export KRB5CCNAME=/tmp/krb5cc_1001
> # hadoop org.apache.hadoop.security.KDiag
> ...
> ...
> == Locating Kerberos configuration file ==
> Setting kerberos path from environment variable KRB5CCNAME: "/tmp/krb5cc_1001"
> Kerberos configuration file = /tmp/krb5cc_1001
> 17/12/16 04:06:19 ERROR security.KDiag:
> java.util.UnknownFormatConversionException: Conversion = '�'
> java.util.UnknownFormatConversionException: Conversion = '�'
> {code}
> Expected Behavior:
> 1. Kerberos configuration file location should be read from KRB5_CONFIG env.
> variable instead of KRB5CCNAME. Source: [MIT KRB5
> doc|https://web.mit.edu/kerberos/krb5-1.12/doc/admin/conf_files/krb5_conf.html]
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