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https://issues.apache.org/jira/browse/HDFS-11195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15741116#comment-15741116
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Xiao Chen commented on HDFS-11195:
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Thanks [~yuanbo] for reporting the issue and providing a fix.
Could you explain a little more about your fix? From a quick look I doubt using
the correct {{resp}} in {{exceptionCaught}} may solve the issue (sorry if I'm
wrong).
For tests, I think we should try harder with the existing methods. For example,
would {{MiniDFSCluster#shutdownDataNodes}} right before append enough to fail
for the test? {{GenericTestUtils#assertExceptionContains}} could also be
helpful for the test case.
> When appending files by webhdfs rest api fails, it returns 200
> --------------------------------------------------------------
>
> Key: HDFS-11195
> URL: https://issues.apache.org/jira/browse/HDFS-11195
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Yuanbo Liu
> Assignee: Yuanbo Liu
> Attachments: HDFS-11195.001.patch
>
>
> Suppose that there is a Hadoop cluster contains only one datanode, and
> dfs.replication=3. Run:
> {code}
> curl -i -X POST -T <LOCAL_FILE>
> "http://<DATANODE>:<PORT>/webhdfs/v1/<PATH>?op=APPEND"
> {code}
> it returns 200, even though append operation fails.
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