[jira] [Created] (HADOOP-18511) TestDecayRpcScheduler.testPriority is a flaky test

["Yiteng Zhang (Jira)" <ji...@apache.org>]

Yiteng Zhang created HADOOP-18511:
-------------------------------------

             Summary: TestDecayRpcScheduler.testPriority is a flaky test
                 Key: HADOOP-18511
                 URL: https://issues.apache.org/jira/browse/HADOOP-18511
             Project: Hadoop Common
          Issue Type: Bug
         Environment: Apache Maven 3.6.0;
openjdk version "1.8.0_342";
OpenJDK Runtime Environment (build 1.8.0_342-8u342-b07-0ubuntu1~20.04-b07);
OpenJDK 64-Bit Server VM (build 25.342-b07, mixed mode);
h4.
            Reporter: Yiteng Zhang


 
{code:java}
org.apache.hadoop.ipc.TestDecayRpcScheduler.testPriority{code}
This is a flaky test, it can pass maven-test while showing non-deterministic behavior under [NonDex|[https://github.com/TestingResearchIllinois/NonDex]] and thus failed.

The test shows below:
{code:java}
java.lang.AssertionError: Get expected JMX of CallVolumeSummary before decay
    at org.junit.Assert.fail(Assert.java:89)
    at org.junit.Assert.assertTrue(Assert.java:42)
    at org.apache.hadoop.ipc.TestDecayRpcScheduler.testPriority(TestDecayRpcScheduler.java:295){code}
*Steps to reproduce the failure:*
 # install [NonDex|https://github.com/TestingResearchIllinois/NonDex]
 # run the following command in hadoop: 
{code:java}
MODULE=hadoop-common-project/hadoop-common

TEST=org.apache.hadoop.ipc.TestDecayRpcScheduler#testPriority   

mvn install -pl $MODULE -am -DskipTests 

mvn -pl $MODULE edu.illinois:nondex-maven-plugin:1.1.2:nondex -Dtest=$TEST{code}

 # the result will be saved under the package folder in .nondex

 



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