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https://issues.apache.org/jira/browse/HDFS-4262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13510726#comment-13510726
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Alejandro Abdelnur commented on HDFS-4262:
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Yu Li,
The REST API is at http://hadoop.apache.org/docs/r1.0.4/webhdfs.html
Regarding the change you made in the FileAccessService, I think is it
incorrect, even if the HTTPFS client is the same user as the HTTP server, it
should create a proxy user. This works fine in Hadoop 2, so it should here.
The changes of the proxy user configuration in the test are OK if the version
of Hadoop 1 you are backporting to supports wildcard '*', I've done those
changes because the last version of Hadoop 1 I've tried the backport did not
support it.
Regarding changing the build to use Ant, it is your call. Personally, I'd would
just leave it as Maven and call Maven from Ant for this contrib. Regardless, I
don't know what is your idea on how this will layer on the Hadoop 1 layout, but
you may have to change the location of dirs. What I would do is to have a
subdir httpfs in the root of the Hadoop 1 distribution and under it have the
current layout. This would mean minimal changes to the Hadoop 2 HTTPFS, meaning
that all backports will be easier to resolve (in case you need to).
Thx.
> Backport HTTPFS to Branch 1
> ---------------------------
>
> Key: HDFS-4262
> URL: https://issues.apache.org/jira/browse/HDFS-4262
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Environment: IBM JDK, RHEL 6.3
> Reporter: Eric Yang
> Assignee: Yu Li
> Attachments: 01-retrofit-httpfs-cdh3u4-for-hadoop1.patch,
> 02-cookie-from-authenticated-url-is-not-getting-to-auth-filter.patch,
> 03-resolve-proxyuser-related-issue.patch, HDFS-4262-github.patch
>
>
> There are interests to backport HTTPFS back to Hadoop 1 branch. After the
> initial investigation, there're quite some changes in HDFS-2178, and several
> related patches, including:
> HDFS-2284 Write Http access to HDFS
> HDFS-2646 Hadoop HttpFS introduced 4 findbug warnings
> HDFS-2649 eclipse:eclipse build fails for hadoop-hdfs-httpfs
> HDFS-2657 TestHttpFSServer and TestServerWebApp are failing on trunk
> HDFS-2658 HttpFS introduced 70 javadoc warnings
> The most challenge of backporting is all these patches, including HDFS-2178
> are for 2.X, which code base has been refactored a lot and quite different
> from 1.X, so it seems we have to backport the changes manually.
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