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Posted to yarn-issues@hadoop.apache.org by "Ahmed Hussein (Jira)" <ji...@apache.org> on 2020/10/07 22:53:00 UTC

[jira] [Created] (YARN-10455) TestNMProxy.testNMProxyRPCRetry is not consistent

Ahmed Hussein created YARN-10455:
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             Summary: TestNMProxy.testNMProxyRPCRetry is not consistent
                 Key: YARN-10455
                 URL: https://issues.apache.org/jira/browse/YARN-10455
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Ahmed Hussein
            Assignee: Ahmed Hussein


The fix in YARN-8844 may fail depending on the configuration of the machine running the test.
In some cases the address gets resolved and the Unit throws a connection timeout exception instead. In such scenario the JUnit times out the main reason behind the failure is swallowed by the shutdown of the clients.
To make sure that the JUnit behavior is consistent, a suggested fix is to set the host address to {{127.0.0.1:1}}. The latter will omit the probability of collisions on non-privileged ports.



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