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https://issues.apache.org/jira/browse/HADOOP-10848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16812052#comment-16812052
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Hudson commented on HADOOP-10848:
---------------------------------

FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #16358 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/16358/])
HADOOP-10848. Cleanup calling of sun.security.krb5.Config. (aajisaka: rev 
0d47d283a611b10cb7a842712cb01fa0c043bdc4)
* (edit) 
hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/KerberosUtil.java
* (edit) 
hadoop-common-project/hadoop-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/RegistrySecurity.java


> Cleanup calling of sun.security.krb5.Config
> -------------------------------------------
>
>                 Key: HADOOP-10848
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10848
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Kai Zheng
>            Assignee: Akira Ajisaka
>            Priority: Minor
>             Fix For: 3.3.0
>
>         Attachments: HADOOP-10848.001.patch, HADOOP-10848.002.patch, 
> HADOOP-10848.003.patch
>
>
> As was told by Max (Oracle), JDK9 is likely to block all accesses to sun.* 
> classes.
> In 
> ./hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/util/KerberosUtil.java,
> sun.security.krb5.Config is called against the method getDefaultRealm() to 
> get default Kerberos realm. It was proposed to remove the call by Oracle:
> {code}
> new 
> javax.security.auth.kerberos.KerberosPrincipal("dummy").toString().split("@")[1]
> {code}



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