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https://issues.apache.org/jira/browse/AMBARI-15348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15196985#comment-15196985
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Dmytro Sen commented on AMBARI-15348:
-------------------------------------
Failed java tests aren't related to this jira.
> Ambari upgrade/start commands should detect any ambari-server hotfix and fail
> upgrade/start from proceeding
> -----------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-15348
> URL: https://issues.apache.org/jira/browse/AMBARI-15348
> Project: Ambari
> Issue Type: Improvement
> Components: ambari-server
> Affects Versions: 2.0.0
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Priority: Critical
> Fix For: 2.2.2
>
> Attachments: AMBARI-15348-trunk_8.patch
>
>
> If user copied hotfixed ambari-server.jar to /usr/lib/ambari-server and
> didn't remove the hotfix, the upgrade will fails with error:
> {code}
> Internal Exception: Exception [EclipseLink-7250] (Eclipse Persistence
> Services - 2.5.2.v20140319-9ad6abd):
> org.eclipse.persistence.exceptions.ValidationException
> Exception Description: [class
> org.apache.ambari.server.orm.entities.HostEntity] uses a non-entity [class
> org.apache.ambari.server.orm.entities.HostVersionEntity] as target entity in
> the relationship attribute [field hostVersionEntities].
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.createPredeployFailedPersistenceException(EntityManagerSetupImpl.java:1954)
> at
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:1945)
> at
> org.eclipse.persistence.internal.jpa.deployment.JPAInitializer.callPredeploy(JPAInitializer.java:98)
> at
> org.eclipse.persistence.jpa.PersistenceProvider.createEntityManagerFactoryImpl(PersistenceProvider.java:96)
> ... 15 more
> Caused by: Exception [EclipseLink-28018] (Eclipse Persistence Services -
> 2.5.2.v20140319-9ad6abd):
> org.eclipse.persistence.exceptions.EntityManagerSetupException
> Exception Description: Predeployment of PersistenceUnit [ambari-server]
> failed.
> {code}
> As a workaround, user needs to restore all the database and configuration,
> remove all the hotfix and run "ambari-server upgrade" again.
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