Jonathan Hurley created AMBARI-14674:
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Summary: 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
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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