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https://issues.apache.org/jira/browse/AMBARI-23397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16419240#comment-16419240
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Hudson commented on AMBARI-23397:
---------------------------------
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #8944 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/8944/])
[AMBARI-23397] Blueprint deployments for NameNode Federation Fail (#822)
(github:
[https://gitbox.apache.org/repos/asf?p=ambari.git&a=commit&h=8d1f100212de5d49ee848577391a7a1f25e8dadb])
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessorTest.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessor.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/ClusterTopologyImpl.java
> Blueprint deployments for NameNode Federation Fail
> --------------------------------------------------
>
> Key: AMBARI-23397
> URL: https://issues.apache.org/jira/browse/AMBARI-23397
> Project: Ambari
> Issue Type: Bug
> Components: ambari-sever
> Affects Versions: 2.7.0
> Reporter: Robert Nettleton
> Assignee: Robert Nettleton
> Priority: Critical
> Labels: pull-request-available
> Fix For: 2.7.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Ambari 2.7.0 will include support for HDFS NameNode Federation deployments,
> as detailed in:
> AMBARI-22916
> Blueprint deployments that attempt to use NameNode Federation currently fail
> with the following exception:
>
> {code:java}
> {u'status': 400, u'message': u'Topology validation failed:
> org.apache.ambari.server.topology.InvalidTopologyException: NAMENODE HA
> requires exactly 2 hosts running NAMENODE but there are: 4 Hosts:
> [ctr-e138-1518143905142-139109-01-000005.hwx.site,
> ctr-e138-1518143905142-139109-01-000006.hwx.site,
> ctr-e138-1518143905142-139109-01-000003.hwx.site,
> ctr-e138-1518143905142-139109-01-000004.hwx.site]'}{code}
>
> The Blueprint configuration processor needs to be updated in order to
> properly handle HDFS HA deployments that include Federated nameservices.
> This will generally mean that HA deployments can now support more than 2
> NameNode instances.
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