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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15277) TestRegionMergeTransactionOnCluster.testWholesomeMerge fails with no connection to master
Date Wed, 24 Feb 2016 06:43:18 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-15277:
--------------------------
    Attachment: debugging.patch

Adding in debugging. When this suite fails, comparing against a good run, we see this in logs:

2016-02-24 03:25:23,630 ERROR [asf909.gq1.ygridcore.net,55601,1456284313298-GeneralBulkAssigner-0]
master.TableStateManager(134): Unable to get table testMergeAndRestartingMaster state, probably
table not exists

... which is a little odd because above I see us writing out the descriptor.

Let me add in printing of why we can't get the descriptor and then logging in test so can
see how far it progresses.

> TestRegionMergeTransactionOnCluster.testWholesomeMerge fails with no connection to master
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-15277
>                 URL: https://issues.apache.org/jira/browse/HBASE-15277
>             Project: HBase
>          Issue Type: Sub-task
>          Components: test
>            Reporter: stack
>             Fix For: 2.0.0
>
>         Attachments: 15277.patch, debugging.patch
>
>
> {code}
> java.io.IOException: connection is closed
> 	at org.apache.hadoop.hbase.MetaTableAccessor.getMetaHTable(MetaTableAccessor.java:254)
> 	at org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(MetaTableAccessor.java:773)
> 	at org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(MetaTableAccessor.java:702)
> 	at org.apache.hadoop.hbase.MetaTableAccessor.getTableRegionsAndLocations(MetaTableAccessor.java:624)
> 	at org.apache.hadoop.hbase.MetaTableAccessor.getTableRegionsAndLocations(MetaTableAccessor.java:575)
> 	at org.apache.hadoop.hbase.regionserver.TestRegionMergeTransactionOnCluster.waitAndVerifyRegionNum(TestRegionMergeTransactionOnCluster.java:426)
> 	at org.apache.hadoop.hbase.regionserver.TestRegionMergeTransactionOnCluster.mergeRegionsAndVerifyRegionNum(TestRegionMergeTransactionOnCluster.java:402)
> 	at org.apache.hadoop.hbase.regionserver.TestRegionMergeTransactionOnCluster.testWholesomeMerge(TestRegionMergeTransactionOnCluster.java:139)
> {code|
> Everywhere we rely on master connection being up. Instead try using the test Connection
... see how that does. Add timeouts on this flakey test too.



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