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https://issues.apache.org/jira/browse/AMBARI-23129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Levas updated AMBARI-23129:
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Summary: Multiple issues while executing Ambari server upgrade to Ambari
2.7.0 (was: NPE while initializing Ambari server upgrade to Ambari 2.7.0)
> Multiple issues while executing Ambari server upgrade to Ambari 2.7.0
> ---------------------------------------------------------------------
>
> Key: AMBARI-23129
> URL: https://issues.apache.org/jira/browse/AMBARI-23129
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.7.0
> Reporter: Robert Levas
> Assignee: Robert Levas
> Priority: Critical
> Fix For: 2.7.0
>
>
> An NPE is thrown will initializing the Ambari server upgrade catalog:
> {code:title=com.google.inject.persist.jpa.JpaPersistService#begin}
> public void begin() {
> Preconditions.checkState(null == this.entityManager.get(), "Work
> already begun on this thread. Looks like you have called UnitOfWork.begin()
> twice without a balancing call to end() in between.");
> this.entityManager.set(this.emFactory.createEntityManager());
> }
> {code}
> {{this.emFactory}} is {{null}}.
> *Cause*
> {{com.google.inject.persist.jpa.JpaPersistService#start()}} was not called
> before {{com.google.inject.persist.jpa.JpaPersistService#begin}} to do order
> of operations in
> {{org.apache.ambari.server.upgrade.SchemaUpgradeHelper#main}}.
> *Solution*
> Ensure {{com.google.inject.persist.jpa.JpaPersistService#start()}} is being
> called before {{com.google.inject.persist.jpa.JpaPersistService#begin}} in
> {{org.apache.ambari.server.upgrade.SchemaUpgradeHelper#main}}.
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