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https://issues.apache.org/jira/browse/HBASE-15277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15160285#comment-15160285
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stack commented on HBASE-15277:
-------------------------------
Pushed the debugging patch
> 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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