[jira] [Work logged] (GOBBLIN-1495) NPE when trying to fetch Hadoop tokens for cluster with no remote namenodes

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GOBBLIN-1495?focusedWorklogId=628141&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-628141 ]

ASF GitHub Bot logged work on GOBBLIN-1495:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 27/Jul/21 05:11
            Start Date: 27/Jul/21 05:11
    Worklog Time Spent: 10m 
      Work Description: dushyantk1509 opened a new pull request #3341:
URL: https://github.com/apache/gobblin/pull/3341


   Dear Gobblin maintainers,
   
   Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!
   
   
   ### JIRA
   - [ ] My PR addresses the following [Gobblin JIRA](https://issues.apache.org/jira/browse/GOBBLIN/) issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
       - https://issues.apache.org/jira/browse/GOBBLIN-1495
   
   
   ### Description
   - [ ] Here are some details about my PR, including screenshots (if applicable):
   When the application tries to fetch Hadoop tokens for a cluster with no remote namenodes, the current implementation of the getHadoopTokens method doesn't check for the property "other_namenodes" while getting remoteFSURIList. This property is not mandatory and won't be present if there are not remote namenodes. In such cases, it throws NPE.
   
   
   ### Tests
   - [ ] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason:
   
   
   ### Commits
   - [ ] My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
       1. Subject is separated from body by a blank line
       2. Subject is limited to 50 characters
       3. Subject does not end with a period
       4. Subject uses the imperative mood ("add", not "adding")
       5. Body wraps at 72 characters
       6. Body explains "what" and "why", not "how"
   
   


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 628141)
    Remaining Estimate: 0h
            Time Spent: 10m

> NPE when trying to fetch Hadoop tokens for cluster with no remote namenodes
> ---------------------------------------------------------------------------
>
>                 Key: GOBBLIN-1495
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-1495
>             Project: Apache Gobblin
>          Issue Type: Bug
>    Affects Versions: 0.15.0
>            Reporter: Dushyant Kumar
>            Assignee: Abhishek Tiwari
>            Priority: Critical
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> When the application tries to fetch Hadoop tokens for a cluster with no remote namenodes, the current implementation of getHadoopTokens method doesn't check for the property "other_namenodes" while getting remoteFSURIList. This property is not mandatory and won't be present if there are not remote namenodes. In such cases, it throws NPE.



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