[jira] [Created] (YARN-5560) Clean up bad exception catching practices in TestYarnClient

["Sean Po (JIRA)" <ji...@apache.org>]

Sean Po created YARN-5560:
-----------------------------

             Summary: Clean up bad exception catching practices in TestYarnClient
                 Key: YARN-5560
                 URL: https://issues.apache.org/jira/browse/YARN-5560
             Project: Hadoop YARN
          Issue Type: Test
            Reporter: Sean Po
            Assignee: Sean Po


In TestYarnClient, tests commonly wrap methods that throw exceptions in a try catch statement similar to the following:

{{try {}}
{{client.submitApplication(context);}}
{{} catch (Exception e) {}}
{{Assert.fail("Exception is not expected.");}}
{{}}}

This hides useful error messages, and surfaces less helpful ones.



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