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From "Charan Hebri (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-8129) Improve error message for invalid value in fields attributes
Date Mon, 09 Apr 2018 09:07:00 GMT
Charan Hebri created YARN-8129:
----------------------------------

             Summary: Improve error message for invalid value in fields attributes
                 Key: YARN-8129
                 URL: https://issues.apache.org/jira/browse/YARN-8129
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: ATSv2
            Reporter: Charan Hebri


Query with invalid values for the 'fields' attributes throws a message that isn't very informative.
Reader log,
{noformat}
2018-04-09 08:59:46,069 INFO  reader.TimelineReaderWebServices (TimelineReaderWebServices.java:getEntities(595))
- Received URL /ws/v2/timeline/users/hrt_qa/flows/test_flow/apps?limit=3&fields=INFOS
from user hrt_qa

2018-04-09 08:59:46,070 INFO  reader.TimelineReaderWebServices (TimelineReaderWebServices.java:handleException(173))
- Processed URL /ws/v2/timeline/users/hrt_qa/flows/test_flow/apps?limit=3&fields=INFOS
but encountered exception (Took 1 ms.){noformat}
Here INFOS is the invalid value for the fields attribute.
Response,
{noformat}
{
  "exception": "BadRequestException",
  "message": "java.lang.Exception: No enum constant org.apache.hadoop.yarn.server.timelineservice.storage.TimelineReader.Field.INFOS",
  "javaClassName": "org.apache.hadoop.yarn.webapp.BadRequestException"
}{noformat}
The message shouldn't ideally contain the enum information.



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