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https://issues.apache.org/jira/browse/HADOOP-12602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Masatake Iwasaki reassigned HADOOP-12602:
-----------------------------------------
Assignee: Masatake Iwasaki
> TestMetricsSystemImpl#testQSize occasionally fail
> -------------------------------------------------
>
> Key: HADOOP-12602
> URL: https://issues.apache.org/jira/browse/HADOOP-12602
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Wei-Chiu Chuang
> Assignee: Masatake Iwasaki
>
> I have seen this test failed a few times in the past.
> Error Message
> {noformat}
> metricsSink.putMetrics(<Capturing argument>);
> Wanted 2 times:
> -> at
> org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testQSize(TestMetricsSystemImpl.java:472)
> But was 1 time:
> -> at
> org.apache.hadoop.metrics2.impl.MetricsSinkAdapter.consume(MetricsSinkAdapter.java:183)
> {noformat}
> Stacktrace
> {noformat}
> org.mockito.exceptions.verification.TooLittleActualInvocations:
> metricsSink.putMetrics(<Capturing argument>);
> Wanted 2 times:
> -> at
> org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testQSize(TestMetricsSystemImpl.java:472)
> But was 1 time:
> -> at
> org.apache.hadoop.metrics2.impl.MetricsSinkAdapter.consume(MetricsSinkAdapter.java:183)
> at
> org.apache.hadoop.metrics2.impl.TestMetricsSystemImpl.testQSize(TestMetricsSystemImpl.java:472)
> {noformat}
> Standard Output
> {noformat}
> 2015-11-25 19:07:49,867 INFO impl.MetricsConfig
> (MetricsConfig.java:loadFirst(115)) - loaded properties from
> hadoop-metrics2-test.properties
> 2015-11-25 19:07:49,932 INFO impl.MetricsSystemImpl
> (MetricsSystemImpl.java:startTimer(374)) - Scheduled snapshot period at 10
> second(s).
> 2015-11-25 19:07:49,932 INFO impl.MetricsSystemImpl
> (MetricsSystemImpl.java:start(192)) - Test metrics system started
> 2015-11-25 19:07:50,134 INFO impl.MetricsSinkAdapter
> (MetricsSinkAdapter.java:start(203)) - Sink slowSink started
> 2015-11-25 19:07:50,135 INFO impl.MetricsSystemImpl
> (MetricsSystemImpl.java:registerSink(301)) - Registered sink slowSink
> 2015-11-25 19:07:50,135 INFO impl.MetricsSinkAdapter
> (MetricsSinkAdapter.java:start(203)) - Sink dataSink started
> 2015-11-25 19:07:50,136 INFO impl.MetricsSystemImpl
> (MetricsSystemImpl.java:registerSink(301)) - Registered sink dataSink
> 2015-11-25 19:07:50,746 INFO impl.MetricsSystemImpl
> (MetricsSystemImpl.java:stop(211)) - Stopping Test metrics system...
> 2015-11-25 19:07:50,747 INFO impl.MetricsSinkAdapter
> (MetricsSinkAdapter.java:publishMetricsFromQueue(140)) - slowSink thread
> interrupted.
> 2015-11-25 19:07:50,748 INFO impl.MetricsSinkAdapter
> (MetricsSinkAdapter.java:publishMetricsFromQueue(140)) - dataSink thread
> interrupted.
> 2015-11-25 19:07:50,748 INFO impl.MetricsSystemImpl
> (MetricsSystemImpl.java:stop(217)) - Test metrics system stopped.
> {noformat}
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