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https://issues.apache.org/jira/browse/MAPREDUCE-6160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220402#comment-14220402
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Rohith commented on MAPREDUCE-6160:
-----------------------------------
I mean leaving getJobReport for others APIs.
> Potential NullPointerException in MRClientProtocol interface implementation.
> ----------------------------------------------------------------------------
>
> Key: MAPREDUCE-6160
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6160
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Rohith
> Assignee: Rohith
> Attachments: MAPREDUCE-6160.patch, MAPREDUCE-6160.patch
>
>
> In the implementation of MRClientProtocol, many methods can throw
> NullPointerExceptions. Instead of NullPointerExceptions, better to throw
> IOException with proper message.
> In the HistoryClientService class and MRClientService class has
> #verifyAndGetJob() method that return job object as null.
> {code}
> getTaskReport(GetTaskReportRequest request) throws IOException;
> getTaskAttemptReport(GetTaskAttemptReportRequest request) throws IOException;
> getCounters(GetCountersRequest request) throws IOException;
> getTaskAttemptCompletionEvents(GetTaskAttemptCompletionEventsRequest request)
> throws IOException;
> getTaskReports(GetTaskReportsRequest request) throws IOException;
> getDiagnostics(GetDiagnosticsRequest request) throws IOException;
> {code}
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