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https://issues.apache.org/jira/browse/RANGER-3430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17442648#comment-17442648
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Mallika Gogoi commented on RANGER-3430:
---------------------------------------
After analysing we found that there are 2 following methods which needs to be
addressed/ checked. We analysed and tried/ checked all possible scenarios which
might leads to NullPointerException. Details are as follows.
[getAuthzEvents(RangerAccessResult result)
|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/audit/RangerDefaultAuditHandler.java#L102]
test case1: for variable result = null and request = null
test case2: for variable result = null and request = not null
test case3: for variable result = not null and request = null
test case4: for variable result = not null and request = not null
[getAuthzEvents(Collection<RangerAccessResult>
results)|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/audit/RangerDefaultAuditHandler.java#L156]
test case1: for variable results = null and event = null
test case2: for variable results = empty and event = null
test case3: for variable results = with one element and event = null
test case4: for variable results = null and event = not null
test case5: for variable results = empty and event = not null
test case6: for variable results = with one element and event = not null
Since we are not able to reproduce/ come-up with a scenario which leads to
NullPointerException, we conclude no action required on this task.
CC Mehul Parikh
> Null Dereference in RangerDefaultAuditHandler.java
> --------------------------------------------------
>
> Key: RANGER-3430
> URL: https://issues.apache.org/jira/browse/RANGER-3430
> Project: Ranger
> Issue Type: Bug
> Components: Ranger
> Reporter: Abhishek Kumar
> Assignee: Mallika Gogoi
> Priority: Minor
>
> Null dereference in RangerDefaultAuditHandler.java at line numbers : 150 and
> 181.
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