Jonathan Hurley created AMBARI-21346:
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Summary: Unable to Begin An Upgrade Between Stack Versions Due To
Assumed Stack Names
Key: AMBARI-21346
URL: https://issues.apache.org/jira/browse/AMBARI-21346
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.5.2
Reporter: Jonathan Hurley
Assignee: Jonathan Hurley
Priority: Blocker
Fix For: 2.5.2
When attempting to begin an upgrade between stack versions from different
vendors (ie HDP and BigInsights), various steps will fail because the Ambari
Server code assumes that the stack name is not changing. Therefore, actions
like finding the right upgrade pack will fail with a NullPointerException
{code}
java.lang.NullPointerException
at
org.apache.ambari.server.state.UpgradeContext.setSourceAndTargetStacks(UpgradeContext.java:277)
{code}
We can work around this temporarily by falling back to querying by the version
number directly.
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