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https://issues.apache.org/jira/browse/HBASE-19289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259947#comment-16259947
 ] 

Sean Busbey commented on HBASE-19289:
-------------------------------------

[~yuzhih...@gmail.com] v1 is expressly unsafe based on the discussion so far, 
please don't commit it.

How onerous is converting the failed tests to use MiniDFSCluster instead of 
LocalFileSystem?

Does this mean we're also broken in standalone mode?

> CommonFSUtils$StreamLacksCapabilityException: hflush when running test 
> against hadoop3 beta1
> --------------------------------------------------------------------------------------------
>
>                 Key: HBASE-19289
>                 URL: https://issues.apache.org/jira/browse/HBASE-19289
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>         Attachments: 19289.v1.txt
>
>
> As of commit d8fb10c8329b19223c91d3cda6ef149382ad4ea0 , I encountered the 
> following exception when running unit test against hadoop3 beta1:
> {code}
> testRefreshStoreFiles(org.apache.hadoop.hbase.regionserver.TestHStore)  Time 
> elapsed: 0.061 sec  <<< ERROR!
> java.io.IOException: cannot get log writer
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.initHRegion(TestHStore.java:215)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:220)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:195)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:190)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:185)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:179)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:173)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.testRefreshStoreFiles(TestHStore.java:962)
> Caused by: 
> org.apache.hadoop.hbase.util.CommonFSUtils$StreamLacksCapabilityException: 
> hflush
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.initHRegion(TestHStore.java:215)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:220)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:195)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:190)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:185)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:179)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:173)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.testRefreshStoreFiles(TestHStore.java:962)
> {code}



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