[ 
https://issues.apache.org/jira/browse/HBASE-19289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277591#comment-16277591
 ] 

Ted Yu commented on HBASE-19289:
--------------------------------

Mike:
You may need the patch from HBASE-19422.
Here is the command I used:
{code}
mvn test -Dtest=TestHStore\#testRefreshStoreFiles -Dhadoop-profile=3.0 
-Dhadoop-three.version=3.0.0-beta1 -Dhadoop-two.version=3.0.0-beta1 -pl 
hbase-serr -am
{code}
{code}
[ERROR] testRefreshStoreFiles(org.apache.hadoop.hbase.regionserver.TestHStore)  
Time elapsed: 0.718 s  <<< 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}

> CommonFSUtils$StreamLacksCapabilityException: hflush when running test 
> against hadoop3 beta1
> --------------------------------------------------------------------------------------------
>
>                 Key: HBASE-19289
>                 URL: https://issues.apache.org/jira/browse/HBASE-19289
>             Project: HBase
>          Issue Type: Test
>            Reporter: Ted Yu
>         Attachments: 19289.v1.txt, 19289.v2.txt
>
>
> As of commit d8fb10c8329b19223c91d3cda6ef149382ad4ea0 , I encountered the 
> following exception when running unit test against hadoop3 beta1:
> {code}
> testRefreshStoreFiles(org.apache.hadoop.hbase.regionserver.TestHStore)  Time 
> elapsed: 0.061 sec  <<< ERROR!
> java.io.IOException: cannot get log writer
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.initHRegion(TestHStore.java:215)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:220)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:195)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:190)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:185)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:179)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.init(TestHStore.java:173)
>       at 
> org.apache.hadoop.hbase.regionserver.TestHStore.testRefreshStoreFiles(TestHStore.java:962)
> Caused by: 
> org.apache.hadoop.hbase.util.CommonFSUtils$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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