[jira] [Commented] (HBASE-17603) Rest api for scan should return 404 when table not exists

["Ted Yu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-17603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15858706#comment-15858706 ] 

Ted Yu commented on HBASE-17603:
--------------------------------

Table#getScanner() is called in hbase-rest and hbase-thrift modules.
The reason why I didn't add the table existence check where Table#getScanner() is called in those modules is that we may miss such check in the future if a new call is added.

> Rest api for scan should return 404 when table not exists
> ---------------------------------------------------------
>
>                 Key: HBASE-17603
>                 URL: https://issues.apache.org/jira/browse/HBASE-17603
>             Project: HBase
>          Issue Type: Bug
>          Components: REST, scan
>    Affects Versions: 2.0.0, 1.4.0
>            Reporter: Ted Yu
>            Priority: Blocker
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: 17603.v1.txt
>
>
> This was the first Jenkins build where TestScannerResource#testTableDoesNotExist started failing.
> https://builds.apache.org/job/HBase-1.4/612/jdk=JDK_1_8,label=Hadoop/testReport/junit/org.apache.hadoop.hbase.rest/TestScannerResource/testTableDoesNotExist/
> The test failure can be reproduced locally.
> The test failure seemed to start after HBASE-17508 went in.
> The problem is introduced after HBASE-17508. After HBASE-17508 we will not contact RS when getScanner. So for rest, get scanner will not return 404 either. But we should get a 404 when fetching data from the scanner but now it will return 204.



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