Andras Bokor created HADOOP-14231:
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Summary: 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
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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