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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2018/02/25 23:10:00 UTC
[jira] [Commented] (HBASE-20081) TestDisableTableProcedure
sometimes hung in MiniHBaseCluster#waitUntilShutDown
[ https://issues.apache.org/jira/browse/HBASE-20081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16376290#comment-16376290 ]
Ted Yu commented on HBASE-20081:
--------------------------------
I am looping TestDisableTableProcedure locally with some additional logging to see if I can get more clue.
> TestDisableTableProcedure sometimes hung in MiniHBaseCluster#waitUntilShutDown
> ------------------------------------------------------------------------------
>
> Key: HBASE-20081
> URL: https://issues.apache.org/jira/browse/HBASE-20081
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Priority: Major
>
> https://builds.apache.org/job/HBase-2.0-hadoop3-tests/lastCompletedBuild/org.apache.hbase$hbase-server/testReport/org.apache.hadoop.hbase.master.procedure/TestDisableTableProcedure/org_apache_hadoop_hbase_master_procedure_TestDisableTableProcedure/ was one recent occurrence.
> I noticed two things in test output:
> {code}
> 2018-02-25 18:12:45,053 WARN [Time-limited test-EventThread] master.RegionServerTracker(136): asf912.gq1.ygridcore.net,45649,1519582305777 is not online or isn't known to the master.The latter could be caused by a DNS misconfiguration.
> {code}
> Since DNS misconfiguration was very unlikely on Apache Jenkins nodes, the above should not have been logged.
> {code}
> 2018-02-25 18:16:51,531 WARN [master/asf912:0.Chore.1] master.CatalogJanitor(127): Failed scan of catalog table
> java.io.IOException: connection is closed
> at org.apache.hadoop.hbase.MetaTableAccessor.getMetaHTable(MetaTableAccessor.java:263)
> at org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(MetaTableAccessor.java:761)
> at org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(MetaTableAccessor.java:680)
> at org.apache.hadoop.hbase.MetaTableAccessor.scanMetaForTableRegions(MetaTableAccessor.java:675)
> at org.apache.hadoop.hbase.master.CatalogJanitor.getMergedRegionsAndSplitParents(CatalogJanitor.java:188)
> at org.apache.hadoop.hbase.master.CatalogJanitor.getMergedRegionsAndSplitParents(CatalogJanitor.java:140)
> at org.apache.hadoop.hbase.master.CatalogJanitor.scan(CatalogJanitor.java:246)
> at org.apache.hadoop.hbase.master.CatalogJanitor.chore(CatalogJanitor.java:119)
> at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
> {code}
> The above was possibly related to the lost region server.
> I searched test output of successful run where none of the above two can be seen.
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