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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19841) Tests against hadoop3 fail with StreamLacksCapabilityException
Date Thu, 01 Feb 2018 22:11:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16349361#comment-16349361
] 

stack commented on HBASE-19841:
-------------------------------

bq. I found them based on which tests were failing!

Excellent.

+1 on commit.... though I suppose no harm waiting on build to come in...

> 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: Mike Drob
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>         Attachments: 19841.007.patch, 19841.06.patch, 19841.v0.txt, 19841.v1.txt, HBASE-19841.v10.patch,
HBASE-19841.v11.patch, HBASE-19841.v11.patch, HBASE-19841.v2.patch, HBASE-19841.v3.patch,
HBASE-19841.v4.patch, HBASE-19841.v5.patch, HBASE-19841.v7.patch, HBASE-19841.v8.patch, HBASE-19841.v8.patch,
HBASE-19841.v8.patch, HBASE-19841.v9.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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