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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6419) Change RPC layer to support SASL based mutual authentication
Date Wed, 03 Feb 2010 02:30:19 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828903#action_12828903
] 

Todd Lipcon commented on HADOOP-6419:
-------------------------------------

This seems to have broken the mapreduce trunk build.

{quote}
[javac] Compiling 424 source files to /home/todd/git/hadoop-mapreduce/build/classes
    [javac] /home/todd/git/hadoop-mapreduce/src/java/org/apache/hadoop/mapreduce/security/token/JobTokenSecretManager.java:34:
org.apache.hadoop.mapreduce.security.token.JobTokenSecretManager is not abstract and does
not override abstract method createIdentifier() in org.apache.hadoop.security.token.SecretManager
    [javac] public class JobTokenSecretManager extends SecretManager<JobTokenIdentifier>
{
    [javac]        ^
    [javac] /home/todd/git/hadoop-mapreduce/src/java/org/apache/hadoop/mapreduce/security/token/JobTokenIdentifier.java:33:
org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier is not abstract and does not
override abstract method getUsername() in org.apache.hadoop.security.token.TokenIdentifier
    [javac] public class JobTokenIdentifier extends TokenIdentifier {
    [javac]        ^
    [javac] Note: Some input files use or override a deprecated API.
    [javac] Note: Recompile with -Xlint:deprecation for details.
    [javac] 2 errors
{quote}

> Change RPC layer to support SASL based mutual authentication
> ------------------------------------------------------------
>
>                 Key: HADOOP-6419
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6419
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>            Reporter: Kan Zhang
>            Assignee: Kan Zhang
>             Fix For: 0.22.0
>
>         Attachments: c6419-26.patch, c6419-39.patch, c6419-45.patch, c6419-66.patch,
c6419-67.patch, c6419-69.patch, c6419-70.patch, c6419-72.patch, c6419-73.patch, c6419-75.patch
>
>
> The authentication mechanism to use will be SASL DIGEST-MD5 (see RFC-2222 and RFC-2831)
or SASL GSSAPI/Kerberos. Since J2SE 5, Sun provides a SASL implementation by default. Both
our delegation token and job token can be used as credentials for SASL DIGEST-MD5 authentication.

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