Wilfred Spiegelenburg created YARN-5272:
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Summary: FairScheduler handles "invalid" queue names
inconsistently even after YARN-3241
Key: YARN-5272
URL: https://issues.apache.org/jira/browse/YARN-5272
Project: Hadoop YARN
Issue Type: Bug
Components: fairscheduler
Affects Versions: 2.8.0
Reporter: Wilfred Spiegelenburg
Assignee: Wilfred Spiegelenburg
The fix used in YARN-3214 uses a the JDK trim() method to remove leading and
trailing spaces. The QueueMetrics uses a guava based trim when it splits the
queues.
The guava based trim uses the unicode definition of a white space which is
different than the java trim as can be seen
[here|https://docs.google.com/a/cloudera.com/spreadsheets/d/1kq4ECwPjHX9B8QUCTPclgsDCXYaj7T-FlT4tB5q3ahk/pub]
A queue name with a non-breaking white space will thus still cause the same
"Metrics source XXX already exists!" MetricsException.
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