[AMBARI-21449] Stack upgrade with pre-req checks enabled fails due to NPE - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Blocker
Resolution: Fixed
Affects Version/s: 2.5.2
Fix Version/s: 2.5.2
Component/s: ambari-server
Labels:
None

Epic Link:
Cross Stack Name Upgrades

Description

target_stack should be passed to PreUpgradeCheckResourceProvider to prevent the following NPE:

Caught a runtime exception while attempting to create a resource: null
java.lang.NullPointerException
        at org.apache.ambari.server.controller.internal.PreUpgradeCheckResourceProvider.getResources(PreUpgradeCheckResourceProvider.java:150)
        at org.apache.ambari.server.controller.internal.UpgradeResourceProvider$PreReqCheckValidator.check(UpgradeResourceProvider.java:2134)
        at org.apache.ambari.server.controller.internal.UpgradeResourceProvider$UpgradeRequestValidator.validate(UpgradeResourceProvider.java:2031)
        at org.apache.ambari.server.controller.internal.UpgradeResourceProvider$UpgradeRequestValidator.validate(UpgradeResourceProvider.java:2035)
        at org.apache.ambari.server.controller.internal.UpgradeResourceProvider.validateRequest(UpgradeResourceProvider.java:691)