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https://issues.apache.org/jira/browse/HBASE-12168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14317426#comment-14317426
 ] 

Hadoop QA commented on HBASE-12168:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12698235/HBASE-12168-master.patch
  against master branch at commit 3dd220f8fdf6e34e11ffa309ff182172f6346091.
  ATTACHMENT ID: 12698235

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+0 tests included{color}.  The patch appears to be a 
documentation patch that doesn't require tests.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 1 
warning messages.

    {color:green}+1 checkstyle{color}.  The applied patch does not increase the 
total number of checkstyle errors

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:red}-1 lineLengths{color}.  The patch introduces the following lines 
longer than 100:
    +HBase REST gateway supports 
link:http://hadoop.apache.org/docs/stable/hadoop-auth/index.html[SPNEGO HTTP 
authentication] for client access to the gateway.
+To enable REST gateway Kerberos authentication for client access, add the 
following to the `hbase-site.xml` file for every REST gateway.
+You can also implement a custom authentication by implemening Hadoop 
AuthenticationHandler, then specify the full class name as 
'hbase.rest.authentication.type' value.
+For more information, refer to 
link:http://hadoop.apache.org/docs/stable/hadoop-auth/index.html[SPNEGO HTTP 
authentication].

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
     

     {color:red}-1 core zombie tests{color}.  There are 6 zombie test(s):       
at 
org.apache.hadoop.hbase.TestIOFencing.testFencingAroundCompaction(TestIOFencing.java:226)
        at 
org.apache.hadoop.hbase.TestAcidGuarantees.testMixedAtomicity(TestAcidGuarantees.java:356)
        at 
org.apache.hadoop.hbase.coprocessor.TestMasterObserver.testRegionTransitionOperations(TestMasterObserver.java:1604)

Test results: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//testReport/
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-rest.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-annotations.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Checkstyle Errors: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/checkstyle-aggregate.html

  Javadoc warnings: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//artifact/patchprocess/patchJavadocWarnings.txt
Console output: 
https://builds.apache.org/job/PreCommit-HBASE-Build/12790//console

This message is automatically generated.

> Document Rest gateway SPNEGO-based authentication for client
> ------------------------------------------------------------
>
>                 Key: HBASE-12168
>                 URL: https://issues.apache.org/jira/browse/HBASE-12168
>             Project: HBase
>          Issue Type: Task
>          Components: documentation, REST, security
>            Reporter: Jerry He
>            Assignee: Jerry He
>             Fix For: 2.0.0
>
>         Attachments: HBASE-12168-master.patch, updated-doc.jpg
>
>
> After HBASE-5050, we seem to support SPNEGO-based authentication from client 
> on Rest gateway. But I had a tough time finding the info.
> The support is not mentioned in Security book. In the security book, we still 
> have:
> bq. It should be possible for clients to authenticate with the HBase cluster 
> through the REST gateway in a pass-through manner via SPEGNO HTTP 
> authentication. This is future work.
> The release note in HBASE-5050 seems to be obsolete as well. e.g.
> hbase.rest.kerberos.spnego.principal seems to be obsolete.



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