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  1. Ambari
  2. AMBARI-21346

Unable to Begin An Upgrade Between Stack Versions Due To Assumed Stack Names

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Details

    • Bug
    • Status: Resolved
    • Blocker
    • Resolution: Fixed
    • 2.5.2
    • 2.5.2
    • ambari-server
    • None

    Description

      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

      java.lang.NullPointerException
	at org.apache.ambari.server.state.UpgradeContext.setSourceAndTargetStacks(UpgradeContext.java:277)

      We can work around this temporarily by falling back to querying by the version number directly.

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            jonathanhurley Jonathan Hurley
            jonathanhurley Jonathan Hurley
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