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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2434) TestNameNodeMetrics.testCorruptBlock fails intermittently
Date Wed, 03 Oct 2012 07:56:08 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-2434:
----------------------------

    Attachment: HDFS-2434.001.patch

Based on Kihwal's analysis, can we solve the problem on the CorruptBlocks metric by disabling
the heartbeats of datanodes before marking the block as corrupt?
                
> TestNameNodeMetrics.testCorruptBlock fails intermittently
> ---------------------------------------------------------
>
>                 Key: HDFS-2434
>                 URL: https://issues.apache.org/jira/browse/HDFS-2434
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>            Reporter: Uma Maheswara Rao G
>         Attachments: HDFS-2434.001.patch
>
>
> java.lang.AssertionError: Bad value for metric CorruptBlocks expected:<1> but was:<0>
> 	at org.junit.Assert.fail(Assert.java:91)
> 	at org.junit.Assert.failNotEquals(Assert.java:645)
> 	at org.junit.Assert.assertEquals(Assert.java:126)
> 	at org.junit.Assert.assertEquals(Assert.java:470)
> 	at org.apache.hadoop.test.MetricsAsserts.assertGauge(MetricsAsserts.java:185)
> 	at org.apache.hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics.__CLR3_0_2t8sh531i1k(TestNameNodeMetrics.java:175)
> 	at org.apache.hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics.testCorruptBlock(TestNameNodeMetrics.java:164)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at junit.framework.TestCase.runTest(TestCase.java:168)
> 	at junit.framework.TestCase.runBare(TestCase.java:134)

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