[RANGER-882] Policy engine initialization should handle incorrect values in policies

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.5.0, 0.5.1, 0.5.2, 0.6.0
• Fix Version/s: 0.6.0, 0.5.3
• Component/s: plugins
• Assignee: Madhan Neethiraj
• Reporter: Madhan Neethiraj
• Created: 11/Mar/16 19:27
• Updated: 26/Apr/16 02:59
• Resolved: 13/Apr/16 11:00

Description

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