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https://issues.apache.org/jira/browse/HBASE-26185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Viraj Jasani reopened HBASE-26185:
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As we see one more similar test failure on branch-1, good to fix this failure
by returning mutable list from getExcludedServersForSystemTable().
> Fix TestMaster#testMoveRegionWhenNotInitialized with
> hbase.min.version.move.system.tables
> -----------------------------------------------------------------------------------------
>
> Key: HBASE-26185
> URL: https://issues.apache.org/jira/browse/HBASE-26185
> Project: HBase
> Issue Type: Test
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Minor
> Fix For: 2.5.0, 3.0.0-alpha-2, 1.7.2, 2.4.6, 2.3.7
>
>
> In order to protect meta region movement unexpectedly during upgrade with
> rsGroup enabled, it is good practice to keep
> hbase.min.version.move.system.tables in hbase-default for specific branch so
> that the use-case for the specific version of HBase is well under control.
> However, TestMaster#testMoveRegionWhenNotInitialized would fail because it
> would not find server to move meta to. We should fix this.
>
> {code:java}
> INFO [Time-limited test] master.HMaster(2029): Passed destination servername
> is null/empty so choosing a server at random
> java.lang.UnsupportedOperationExceptionjava.lang.UnsupportedOperationException
> at java.util.AbstractList.add(AbstractList.java:148) at
> java.util.AbstractList.add(AbstractList.java:108) at
> org.apache.hadoop.hbase.master.HMaster.move(HMaster.java:2031) at
> org.apache.hadoop.hbase.master.TestMaster.testMoveRegionWhenNotInitialized(TestMaster.java:181)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> {code}
>
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