[HADOOP-9990] TestMetricsSystemImpl fails

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.1.1-beta
• Component/s: metrics, test

Environment

Ubuntu 13.04

• Assignee: Unassigned
• Reporter: Tsuyoshi Ozawa
• Created: 21/Sep/13 07:50
• Updated: 19/Nov/13 02:58
• Resolved: 19/Nov/13 02:58

Description

TestMetricsSystemImpl#testMultiThreadedPublish and testInitFirstVerifyStopInvokedImmediately fails occasionally.

Running org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl
Tests run: 6, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 2.787 sec <<< FAILURE! - in org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl
testMultiThreadedPublish(org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl)  Time elapsed: 0.078 sec  <<< FAILURE!
java.lang.AssertionError: expected:<0> but was:<2>
	at org.junit.Assert.fail(Assert.java:93)
	at org.junit.Assert.failNotEquals(Assert.java:647)
	at org.junit.Assert.assertEquals(Assert.java:128)
	at org.junit.Assert.assertEquals(Assert.java:472)
	at org.junit.Assert.assertEquals(Assert.java:456)
	at org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testMultiThreadedPublish(TestMetricsSystemImpl.java:231)

testInitFirstVerifyStopInvokedImmediately(org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl)  Time elapsed: 0.05 sec  <<< FAILURE!
org.mockito.exceptions.base.MockitoAssertionError: 
Wanted at most 2 times but was 3
	at org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testInitFirstVerifyStopInvokedImmediately(TestMetricsSystemImpl.java:114)

Issue Links

• is duplicated by: HADOOP-10062 race condition in MetricsSystemImpl#publishMetricsNow that causes incorrect results
• is duplicated by: HADOOP-10058 TestMetricsSystemImpl#testInitFirstVerifyStopInvokedImmediately fails on trunk