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https://issues.apache.org/jira/browse/HDFS-11005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen Liang updated HDFS-11005:
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Attachment: HDFS-11005-HDFS-7240.001.patch
The problem is that {{doRefreshNamenode}} is using {{Sets.newLinkedHashSet}} to
maintain order of keys in a hash map. However in {{refreshNameNodes}}, the use
of {{putAll}} seems to be changing the order of keys, as a result, it altered
the key order from {{ns1,ns2}} to {{ns2,ns1}}.
The v001 patch avoids using {{putAll}} call but directly set the map.
> Ozone: TestBlockPoolManager fails in ozone branch.
> --------------------------------------------------
>
> Key: HDFS-11005
> URL: https://issues.apache.org/jira/browse/HDFS-11005
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Anu Engineer
> Attachments: HDFS-11005-HDFS-7240.001.patch
>
>
> TestBlockPoolManager.testFederationRefresh fails in the ozone branch with
> the following error message.
> {noformat}
> Running org.apache.hadoop.hdfs.server.datanode.TestBlockPoolManager
> Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 1.231 sec <<<
> FAILURE! - in org.apache.hadoop.hdfs.server.datanode.TestBlockPoolManager
> testFederationRefresh(org.apache.hadoop.hdfs.server.datanode.TestBlockPoolManager)
> Time elapsed: 0.043 sec <<< FAILURE!
> org.junit.ComparisonFailure: expected:<stop #[1
> refresh #2]
> > but was:<stop #[2
> refresh #1]
> >
> at org.junit.Assert.assertEquals(Assert.java:115)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.hdfs.server.datanode.TestBlockPoolManager.testFederationRefresh(TestBlockPoolManager.java:123)
> Results :
> Failed tests:
> TestBlockPoolManager.testFederationRefresh:123 expected:<stop #[1
> refresh #2]
> > but was:<stop #[2
> refresh #1]
> >
> {noformat}
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