Jonathan Hurley created AMBARI-22590:
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Summary: Messages for some services during PU package installation
indicate circular dependency
Key: AMBARI-22590
URL: https://issues.apache.org/jira/browse/AMBARI-22590
Project: Ambari
Issue Type: Bug
Affects Versions: 2.6.1
Reporter: Jonathan Hurley
Assignee: Jonathan Hurley
Priority: Blocker
Fix For: 2.6.1
Written this as 'Blocker' severity, please triage once and decide
This issue could affect user experience for Patch Upgrades
*Case 1:* Register Patch VDF for Mapreduce service
Try to install the packages
Result: Error for missing Hive service in the VDF (see MR-only.png)
*Case 2:* Add Hive to the patch VDF, os that it now includes both MR and Hive
Try to install the packages
Result: Error for missing Tez service in the VDF (see MR-and-Hive)
This is now confusing as the dependency looks cyclic, we asked to add Hive in
first case and now asking to add MR again
*Case 3:* Add a new VDF for only Mahout or Oozie. This would prompt for MR due
to dependency. Now you need to add MR and Hive and then Tez too (see
Mahout-only.png)
*Expected result:* The message for dependent services should recursively decide
the services and print them all at once.
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