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https://issues.apache.org/jira/browse/AMBARI-21427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16080203#comment-16080203
]
Hudson commented on AMBARI-21427:
---------------------------------
SUCCESS: Integrated in Jenkins build Ambari-trunk-Commit #7744 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/7744/])
AMBARI-21427. Assigning hosts concurrently to same config group may fail
(stoader:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=3c9f125cc08269558f35a971c321777d331de1ca])
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/topology/AmbariContext.java
> Assigning hosts concurrently to same config group may fail with
> 'org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException:
> Config group already exist'
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-21427
> URL: https://issues.apache.org/jira/browse/AMBARI-21427
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.5.0
> Reporter: Sebastian Toader
> Assignee: Sebastian Toader
> Fix For: 2.5.2
>
> Attachments: AMBARI-21427.v2.patch
>
>
> Assigning hosts concurrently to the same config group may fail due to a race
> condition causing the config group to be created twice:
> {noformat}
> 05 Jul 2017 18:50:44,742 INFO [pool-5-thread-2]
> RegisterWithConfigGroupTask:45 - HostRequest: Executing CONFIGURE task for
> host: w1.internal
> 05 Jul 2017 18:50:44,884 ERROR [pool-5-thread-2] AmbariContext:655 - Failed
> to create new configuration group:
> org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException:
> Config group already exists with the same name and tag, clusterName =
> mycluster, groupName = myblueprint:group1, tag = HDFS
> 05 Jul 2017 18:50:44,885 ERROR [pool-5-thread-2] AmbariContext:342 - Unable
> to register config group for host:
> java.lang.RuntimeException: Failed to create new configuration group:
> org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException:
> Config group already exists with the same name and tag, clusterName =
> mycluster, groupName = myblueprint:group1, tag = HDFS
> at
> org.apache.ambari.server.topology.AmbariContext.createConfigGroupsAndRegisterHost(AmbariContext.java:656)
> at
> org.apache.ambari.server.topology.AmbariContext.registerHostWithConfigGroup(AmbariContext.java:339)
> at
> org.apache.ambari.server.topology.tasks.RegisterWithConfigGroupTask.runTask(RegisterWithConfigGroupTask.java:46)
> at
> org.apache.ambari.server.topology.tasks.TopologyHostTask.run(TopologyHostTask.java:51)
> at
> org.apache.ambari.server.topology.HostOfferResponse$1.run(HostOfferResponse.java:83)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:748)
> Caused by:
> org.apache.ambari.server.controller.spi.ResourceAlreadyExistsException:
> Config group already exists with the same name and tag, clusterName =
> mycluster, groupName = myblueprint:group1, tag = HDFS
> at
> org.apache.ambari.server.controller.internal.AbstractResourceProvider.createResources(AbstractResourceProvider.java:282)
> at
> org.apache.ambari.server.controller.internal.ConfigGroupResourceProvider.createResources(ConfigGroupResourceProvider.java:276)
> at
> org.apache.ambari.server.topology.AmbariContext.createConfigGroupsAndRegisterHost(AmbariContext.java:653)
> ... 7 more
> {noformat}
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