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https://issues.apache.org/jira/browse/AMBARI-23403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dmitry Lysnichenko updated AMBARI-23403:
----------------------------------------
Component/s: ambari-server
> Upgrade throws NullPointerException when configuration type is not selected
> ---------------------------------------------------------------------------
>
> Key: AMBARI-23403
> URL: https://issues.apache.org/jira/browse/AMBARI-23403
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Priority: Critical
>
> {code}
> java.lang.NullPointerException
> at
> org.apache.ambari.server.state.UpgradeHelper.processConfigurationsIfRequired(UpgradeHelper.java:1032)
> at
> org.apache.ambari.server.state.UpgradeHelper.updateDesiredRepositoriesAndConfigs(UpgradeHelper.java:849)
> at
> org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:118)
> at
> org.apache.ambari.server.serveraction.upgrades.UpdateDesiredRepositoryAction.updateDesiredRepositoryVersion(UpdateDesiredRepositoryAction.java:166)
> at
> org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:128)
> at
> org.apache.ambari.server.serveraction.upgrades.UpdateDesiredRepositoryAction.execute(UpdateDesiredRepositoryAction.java:104)
> at
> org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.execute(ServerActionExecutor.java:550)
> at
> org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.run(ServerActionExecutor.java:466)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> The main issue here is that if any configuration types in the "clusterconfig"
> table (in the ambari-server DB) happen to not be selected (no versions of
> that config type have "selected"= "1", then this NullPointerException is
> thrown.
> The Ambari Server Upgrade code should probably handle this exception case
> more gracefully, by adding a check for null in the {code}UpgradeHelper{code}
> class, and returning a more useful error message. Perhaps the customer
> should get a message indicating the problem with the config types.
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