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https://issues.apache.org/jira/browse/HBASE-18053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011721#comment-16011721
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Guanghao Zhang commented on HBASE-18053:
----------------------------------------

I add the ut in AbstractTestAsyncTableScan. And TestAsyncTableScanAll extends 
AbstractTestAsyncTableScan, too. The scanAll method return a CompletableFuture. 
So the exception is a ExecutionExceotion and caused by 
NoSuchColumnFamilyException. So I changed the assert condition in v1 patch. 
Thanks.

> AsyncTableResultScanner will hang when scan wrong column family
> ---------------------------------------------------------------
>
>                 Key: HBASE-18053
>                 URL: https://issues.apache.org/jira/browse/HBASE-18053
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>         Attachments: HBASE-18053.patch, HBASE-18053-v1.patch
>
>
> AsynTableResultScanner did not call notify(). So the next will hang on 
> wait(). It is easy to fix. And will add a ut for this.



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