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Posted to common-issues@hadoop.apache.org by "Andras Bokor (JIRA)" <ji...@apache.org> on 2017/03/24 16:06:41 UTC
[jira] [Commented] (HADOOP-14231) Using parentheses is not allowed
in auth_to_local regex
[ https://issues.apache.org/jira/browse/HADOOP-14231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15940627#comment-15940627 ]
Andras Bokor commented on HADOOP-14231:
---------------------------------------
Uploading patch 01. It removes the closing parentheses restriction and adds some JUnit test.
> Using parentheses is not allowed in auth_to_local regex
> -------------------------------------------------------
>
> Key: HADOOP-14231
> URL: https://issues.apache.org/jira/browse/HADOOP-14231
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Andras Bokor
> Assignee: Andras Bokor
> Priority: Minor
> Attachments: HADOOP-14231.01.patch
>
>
> I tried to set the following property for auth_to_local property:
> {code}"RULE:[2:$1]((n|d)n)s/.*/hdfs//{code}
> but I got the following exception:
> {code}Exception in thread "main" java.util.regex.PatternSyntaxException: Unclosed group near index 9
> (nn|dn|jn{code}
> I found that this occurs because {{ruleParser}} in {{org.apache.hadoop.security.authentication.util.KerberosName}} excludes closing parentheses.
> I do not really see the value of excluding parentheses (do I miss something?) so I would remove this restriction to be able to use more regex functionalities.
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