[KAFKA-5889] MetricsTest.testMetricsLeak is flaky

• Type: Test
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Component/s: unit tests
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 14/Sep/17 03:01
• Updated: 30/Mar/20 08:02
• Resolved: 30/Mar/20 08:02

Description

The following appeared in several recent builds (e.g. https://builds.apache.org/job/kafka-trunk-jdk7/2758) :

kafka.metrics.MetricsTest > testMetricsLeak FAILED
    java.lang.AssertionError: expected:<1216> but was:<1219>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:834)
        at org.junit.Assert.assertEquals(Assert.java:645)
        at org.junit.Assert.assertEquals(Assert.java:631)
        at kafka.metrics.MetricsTest$$anonfun$testMetricsLeak$1.apply$mcVI$sp(MetricsTest.scala:68)
        at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:160)
        at kafka.metrics.MetricsTest.testMetricsLeak(MetricsTest.scala:66)