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https://issues.apache.org/jira/browse/HADOOP-14155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dazhuang Su updated HADOOP-14155:
---------------------------------
Status: Patch Available (was: Open)
> KerberosName.replaceParameters() may throw
> java.lang.ArrayIndexOutOfBoundsException
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-14155
> URL: https://issues.apache.org/jira/browse/HADOOP-14155
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.7.3
> Reporter: Dazhuang Su
> Priority: Minor
> Attachments: HADOOP-14155.patch
>
>
> In core-site.xml:
> <property>
> <name>hadoop.security.auth_to_local</name>
> <value>
> RULE:[1:$1](.*)
> RULE:[2:$1$2](.*)
> </value>
> </property>
> KerberosName.replaceParameters() replaces the numbered parameters of the form
> $n where n is from 1 to the length of params. Normal text is copied directly
> and $n is replaced by the corresponding parameter.
> However, when RULE is configued as the following way (although it's wrong)
> RULE:[1:$1$2](.*)
> Then run command
> hadoop org.apache.hadoop.security.HadoopKerberosName testpr...@testrealm.com
> It will throw ArrayIndexOutOfBoundsException instead of BadFormatString
> exception.
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