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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3393) Getting application(s) goes wrong when app finishes before starting the attempt
Date Mon, 23 Mar 2015 21:44:56 GMT
Zhijie Shen created YARN-3393:
---------------------------------

             Summary: Getting application(s) goes wrong when app finishes before starting
the attempt
                 Key: YARN-3393
                 URL: https://issues.apache.org/jira/browse/YARN-3393
             Project: Hadoop YARN
          Issue Type: Bug
          Components: timelineserver
            Reporter: Zhijie Shen
            Assignee: Zhijie Shen
            Priority: Critical


When generating app report in ApplicationHistoryManagerOnTimelineStore, it checks if appAttempt
== null.
{code}
        ApplicationAttemptReport appAttempt = getApplicationAttempt(app.appReport.getCurrentApplicationAttemptId());
        if (appAttempt != null) {
          app.appReport.setHost(appAttempt.getHost());
          app.appReport.setRpcPort(appAttempt.getRpcPort());
          app.appReport.setTrackingUrl(appAttempt.getTrackingUrl());
          app.appReport.setOriginalTrackingUrl(appAttempt.getOriginalTrackingUrl());
        }
{code}

However, {{getApplicationAttempt}} doesn't return null but throws ApplicationAttemptNotFoundException:
{code}
    if (entity == null) {
      throw new ApplicationAttemptNotFoundException(
          "The entity for application attempt " + appAttemptId +
          " doesn't exist in the timeline store");
    } else {
      return convertToApplicationAttemptReport(entity);
    }
{code}
They code isn't coupled well.



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