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https://issues.apache.org/jira/browse/HDFS-9363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14990938#comment-14990938
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Hudson commented on HDFS-9363:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #572 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/572/])
HDFS-9363. Add fetchReplica to FsDatasetTestUtils to return (lei: rev 
5667129276c3123ecb0a96b78d5897431c47a9d5)
* 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestInterDatanodeProtocol.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/FsDatasetTestUtils.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImplTestUtils.java
* 
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestPipelines.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt


> Add fetchReplica() to FsDatasetTestUtils to return FsDataset-agnostic Replica.
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-9363
>                 URL: https://issues.apache.org/jira/browse/HDFS-9363
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: HDFS, test
>    Affects Versions: 2.7.1
>            Reporter: Tony Wu
>            Assignee: Tony Wu
>            Priority: Minor
>             Fix For: 3.0.0, 2.8.0
>
>         Attachments: HDFS-9363.001.patch
>
>
> {{FsDatasetTestUtils()}} abstracts away the details in {{FsDataset}} to allow 
> writing generic tests regardless of underlying {{FsDataset}} implementations. 
> We can add a {{fetchReplica()}} method to allow some HDFS tests to avoid 
> using {{FsDatasetTestUtil#fetchReplicaInfo()}}, which assumes FsDatasetImpl 
> is the only implementation of FsDataset.



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