Yiteng Zhang created HADOOP-18511:
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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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