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https://issues.apache.org/jira/browse/RANGER-3208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Velmurugan Periasamy updated RANGER-3208:
-----------------------------------------
Fix Version/s: 2.2.0
3.0.0
> NPE in Ranger policy engine when processing SELF_OR_CHILD scoped search
> -----------------------------------------------------------------------
>
> Key: RANGER-3208
> URL: https://issues.apache.org/jira/browse/RANGER-3208
> Project: Ranger
> Issue Type: Bug
> Components: Ranger
> Reporter: Abhay Kulkarni
> Assignee: Abhay Kulkarni
> Priority: Major
> Fix For: 3.0.0, 2.2.0
>
>
> The following is the stack trace seen when Ranger policy engine searches Trie
> object with SELF_OR_CHILD scope.
>
> java.lang.NullPointerException at
> java.util.AbstractCollection.addAll(AbstractCollection.java:343) at
> org.apache.ranger.plugin.policyengine.RangerResourceTrie$TrieNode.collectChildEvaluators(RangerResourceTrie.java:1161)
> at
> org.apache.ranger.plugin.policyengine.RangerResourceTrie.lambda$getEvaluatorsForResource$0(RangerResourceTrie.java:604)
> at
> java.util.HashMap$ValueSpliterator.forEachRemaining(HashMap.java:1628)
> at
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
> at
> org.apache.ranger.plugin.policyengine.RangerResourceTrie.getEvaluatorsForResource(RangerResourceTrie.java:604)
> at
> org.apache.ranger.plugin.policyengine.RangerResourceTrie.getEvaluatorsForResource(RangerResourceTrie.java:180)
> at
> org.apache.ranger.plugin.policyengine.RangerPolicyRepository.getLikelyMatchPolicyEvaluators(RangerPolicyRepository.java:811)
> at
> org.apache.ranger.plugin.policyengine.RangerPolicyRepository.getLikelyMatchAccessPolicyEvaluators(RangerPolicyRepository.java:764)
> at
> org.apache.ranger.plugin.policyengine.RangerPolicyRepository.getLikelyMatchPolicyEvaluators(RangerPolicyRepository.java:741)
> at
> org.apache.ranger.plugin.policyengine.RangerPolicyEngineImpl.evaluatePoliciesNoAudit(RangerPolicyEngineImpl.java:585)
> at
> org.apache.ranger.plugin.policyengine.RangerPolicyEngineImpl.zoneAwareAccessEvaluationWithNoAudit(RangerPolicyEngineImpl.java:486)
> at
> org.apache.ranger.plugin.policyengine.RangerPolicyEngineImpl.evaluatePolicies(RangerPolicyEngineImpl.java:110)
> at
> org.apache.ranger.plugin.service.RangerBasePlugin.isAccessAllowed(RangerBasePlugin.java:356)
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