Rohith created MAPREDUCE-6160:
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Summary: 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
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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