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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