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[jira] [Resolved] (HBASE-20081) TestDisableTableProcedure sometimes hung in MiniHBaseCluster#waitUntilShutDown

     [ ]

Ted Yu resolved HBASE-20081.
    Resolution: Cannot Reproduce

> TestDisableTableProcedure sometimes hung in MiniHBaseCluster#waitUntilShutDown
> ------------------------------------------------------------------------------
>                 Key: HBASE-20081
>                 URL:
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Priority: Major
>$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):,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
> connection is closed
> 	at org.apache.hadoop.hbase.MetaTableAccessor.getMetaHTable(
> 	at org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(
> 	at org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(
> 	at org.apache.hadoop.hbase.MetaTableAccessor.scanMetaForTableRegions(
> 	at org.apache.hadoop.hbase.master.CatalogJanitor.getMergedRegionsAndSplitParents(
> 	at org.apache.hadoop.hbase.master.CatalogJanitor.getMergedRegionsAndSplitParents(
> 	at org.apache.hadoop.hbase.master.CatalogJanitor.scan(
> 	at org.apache.hadoop.hbase.master.CatalogJanitor.chore(
> 	at
> {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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