[jira] [Created] (HADOOP-15123) KDiag tries to load krb5.conf from KRB5CCNAME instead of KRB5_CONFIG

["Vipin Rathor (JIRA)" <ji...@apache.org>]

Vipin Rathor created HADOOP-15123:
-------------------------------------

             Summary: 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: 3.0.0
            Reporter: Vipin Rathor
            Priority: Minor


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.



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