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https://issues.apache.org/jira/browse/AMBARI-21411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Fernandez updated AMBARI-21411:
-----------------------------------------
Status: Patch Available (was: Open)
> Backend - Run EU/RU PreChecks during a cross-stack upgrade
> ----------------------------------------------------------
>
> Key: AMBARI-21411
> URL: https://issues.apache.org/jira/browse/AMBARI-21411
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.5.2
> Reporter: Alejandro Fernandez
> Assignee: Alejandro Fernandez
> Fix For: 2.5.2
>
> Attachments: AMBARI-21411.patch
>
>
> During a cross-stack upgrade, the PreChecks need to be able to run.
> STR:
> * Install BigInsights 4.2.5
> * Upgrade Ambari to 2.5
> * Register bits for HDP 2.6
> * Install bits for HDP 2.6
> * Attempt to run PreChecks
> {noformat}
> curl -u admin:admin -H "X-Requested-By: ambari" -i -X GET
> http://localhost:8080/api/v1/clusters/c1/rolling_upgrades_check?fields=*&UpgradeChecks/repository_version=2.6.1.0-129&UpgradeChecks/upgrade_type=NON_ROLLING&UpgradeChecks/upgrade_pack=nonrolling-upgrade-to-hdp-2.6
> {noformat}
> This returns,
> {noformat}
> {
> "status" : 500,
> "message" : "org.apache.ambari.server.controller.spi.SystemException:
> Repository version null was not found"
> }
> {noformat}
> because in UpgradeHelper.java it cannot find the upgrade pack.
> The new API will requiring passing in a new argument, e.g.,
> UpgradeChecks/target_stack=HDP-2.6
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