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https://issues.apache.org/jira/browse/AMBARI-16100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmytro Sen updated AMBARI-16100:
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Status: Patch Available (was: Open)
> Upgrade catalog 220 in not idempotent again
> -------------------------------------------
>
> Key: AMBARI-16100
> URL: https://issues.apache.org/jira/browse/AMBARI-16100
> Project: Ambari
> Issue Type: Task
> Components: ambari-upgrade
> Affects Versions: 2.4.0
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Priority: Critical
> Fix For: 2.4.0
>
> Attachments: AMBARI-16100.patch
>
>
> UpgradeCatalog220#updateKerberosDescriptorArtifact
> {code}
> KerberosIdentityDescriptor hdfsIdentity =
> hdfsService.getIdentity("hdfs");
> KerberosComponentDescriptor namenodeComponent =
> hdfsService.getComponent("NAMENODE");
> hdfsIdentity.setName("hdfs");
> hdfsService.removeIdentity("hdfs");
> {code}
> in case of second run on same database we will have here NPE, coz that
> descriptor was already removed. Before using him, we need check that
> descriptor is present and is not null
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