[jira] [Created] (RANGER-882) Policy engine initialization should handle incorrect values in policies

["Madhan Neethiraj (JIRA)" <ji...@apache.org>]

Madhan Neethiraj created RANGER-882:
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             Summary: Policy engine initialization should handle incorrect values in policies
                 Key: RANGER-882
                 URL: https://issues.apache.org/jira/browse/RANGER-882
             Project: Ranger
          Issue Type: Bug
          Components: plugins
    Affects Versions: 0.5.0, 0.5.1, 0.5.2, 0.6.0
            Reporter: Madhan Neethiraj
            Assignee: Madhan Neethiraj


Ranger policy engine initialization does not expect NULL value for a resource (like path). When a policy has such a value, the initialization fails with NPE. Policy engine should be updated to ignore NULL values. 

java.lang.NullPointerException
        at org.apache.ranger.plugin.policyevaluator.RangerOptimizedPolicyEvaluator.computeEvalOrder(RangerOptimizedPolicyEvaluator.java:164)
        at org.apache.ranger.plugin.policyevaluator.RangerOptimizedPolicyEvaluator.init(RangerOptimizedPolicyEvaluator.java:96)
        at org.apache.ranger.plugin.policyevaluator.RangerCachedPolicyEvaluator.init(RangerCachedPolicyEvaluator.java:40)
        at org.apache.ranger.plugin.policyengine.RangerPolicyRepository.buildPolicyEvaluator(RangerPolicyRepository.java:177)
        at org.apache.ranger.plugin.policyengine.RangerPolicyRepository.<init>(RangerPolicyRepository.java:84)
        at org.apache.ranger.plugin.policyengine.RangerPolicyEngineImpl.<init>(RangerPolicyEngineImpl.java:58)
        at org.apache.ranger.plugin.service.RangerBasePlugin.setPolicies(RangerBasePlugin.java:110)
        at org.apa



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