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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19841) Tests against hadoop3 fail with StreamLacksCapabilityException
Date Tue, 23 Jan 2018 23:54:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336580#comment-16336580
] 

Ted Yu commented on HBASE-19841:
--------------------------------

bq. we have to propagate it back everywhere

Then it seems the current v1 patch is better - no need to propagate back anywhere

> Tests against hadoop3 fail with StreamLacksCapabilityException
> --------------------------------------------------------------
>
>                 Key: HBASE-19841
>                 URL: https://issues.apache.org/jira/browse/HBASE-19841
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>         Attachments: 19841.v0.txt, 19841.v1.txt, HBASE-19841.v2.patch
>
>
> The following can be observed running against hadoop3:
> {code}
> java.io.IOException: cannot get log writer
> 	at org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.compactingSetUp(TestCompactingMemStore.java:107)
> 	at org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.setUp(TestCompactingMemStore.java:89)
> Caused by: org.apache.hadoop.hbase.util.CommonFSUtils$StreamLacksCapabilityException:
hflush and hsync
> 	at org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.compactingSetUp(TestCompactingMemStore.java:107)
> 	at org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.setUp(TestCompactingMemStore.java:89)
> {code}
> This was due to hbase-server/src/test/resources/hbase-site.xml not being picked up by
Configuration object. Among the configs from this file, the value for "hbase.unsafe.stream.capability.enforce"
relaxes check for presence of hflush and hsync. Without this config entry,  StreamLacksCapabilityException
is thrown.



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