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https://issues.apache.org/jira/browse/AMBARI-14674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102552#comment-15102552
]
Hudson commented on AMBARI-14674:
---------------------------------
SUCCESS: Integrated in Ambari-trunk-Commit #4182 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/4182/])
AMBARI-14674 - Cannot Finalize Downgrade Due To Detached ClusterEntity
(jhurley:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=eaf27bfd65b2ca4966476b3871cde73805570c16])
*
ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
*
ambari-server/src/test/java/org/apache/ambari/server/state/cluster/ClusterTest.java
*
ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog170.java
* ambari-server/src/main/java/org/apache/ambari/server/orm/dao/ClusterDAO.java
> Cannot Finalize Downgrade Due To Detached ClusterEntity
> -------------------------------------------------------
>
> Key: AMBARI-14674
> URL: https://issues.apache.org/jira/browse/AMBARI-14674
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.2.1
> Reporter: Jonathan Hurley
> Assignee: Jonathan Hurley
> Priority: Critical
> Fix For: 2.2.1
>
> Attachments: AMBARI-14674.patch
>
>
> RU HDP 2.2 to 2.4 downgrade results in:
> {code}
> java.lang.IllegalArgumentException: Can not refresh not managed object:
> org.apache.ambari.server.orm.entities.ClusterEntity@18126.
> at
> org.eclipse.persistence.internal.jpa.EntityManagerImpl.refresh(EntityManagerImpl.java:1024)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerImpl.refresh(EntityManagerImpl.java:929)
> at
> org.apache.ambari.server.orm.dao.ClusterDAO.refresh(ClusterDAO.java:309)
> at
> org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:68)
> at
> org.apache.ambari.server.state.cluster.ClusterImpl.removeConfigurations(ClusterImpl.java:3216)
> at
> org.apache.ambari.server.serveraction.upgrades.FinalizeUpgradeAction.finalizeDowngrade(FinalizeUpgradeAction.java:314)
> at
> org.apache.ambari.server.serveraction.upgrades.FinalizeUpgradeAction.execute(FinalizeUpgradeAction.java:116)
> at
> org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.execute(ServerActionExecutor.java:537)
> at
> org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.run(ServerActionExecutor.java:474)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> It seems like what's happening is that the ClusterEntity is being retrieved
> outside of a JPA session. Although the ClusterDAO creates the session, it
> also ends it, leaving the Entity detached. We should instead be refreshing
> this Entity within the bounds of the Transaction.
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