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https://issues.apache.org/jira/browse/RANGER-3428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17442608#comment-17442608
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Mallika Gogoi commented on RANGER-3428:
---------------------------------------
After analysing we found that there are 5 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 .
[getServiceDef(Long
id)|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java#L194]
test case1: for variable id = 0L and result = null
test case2: for variable id = 0L and result = not null
test case3: for variable id = value and result = null
test case4: for variable id = value and result = not null
[getServiceDef(String
type)|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java#L212]
test case1: for variable type = null and result = null
test case2: for variable type = null and result = not null
test case3: for variable type = not null and result = null
test case4: for variable type = not null and result = not null
[getService(Long
id)|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java#L252]
test case1: for variable id = 0L and result = null
test case2: for variable id = 0L and result = not null
test case3: for variable id = value and result = null
test case4: for variable id = value and result = not null
[getService(String
name)|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java#L270]
test case1: for variable type = null and result = null
test case2: for variable type = null and result = not null
test case3: for variable type = not null and result = null
test case4: for variable type = not null and result = not null
[getPolicy(Long
id)|https://github.com/apache/ranger/blob/master/agents-common/src/main/java/org/apache/ranger/plugin/model/validation/RangerValidator.java#L314]
test case1: for variable id = 0L and result = null
test case2: for variable id = 0L and result = not null
test case3: for variable id = value and result = null
test case4: for variable id = value and result = 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]
> Null Dereference in RangerValidator.java
> ----------------------------------------
>
> Key: RANGER-3428
> URL: https://issues.apache.org/jira/browse/RANGER-3428
> Project: Ranger
> Issue Type: Bug
> Components: Ranger
> Reporter: Abhishek Kumar
> Assignee: Mallika Gogoi
> Priority: Minor
>
> Null dereference in RangerValidator.java line numbers : 207,225,265,283,327.
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