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https://issues.apache.org/jira/browse/HDFS-16222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17413492#comment-17413492
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Ayush Saxena commented on HDFS-16222:
-------------------------------------
Attached a test to repro.
Tried a quick fix, Seems the problem is with {{getMountPathInfo}}, it ignores
the path from {{ChRootedFileSystem}}, Changed this method, and things worked as
expected for me.
{code:java}
public MountPathInfo<FileSystem> getMountPathInfo(Path path,
Configuration conf) throws IOException {
InodeTree.ResolveResult<FileSystem> res;
try {
res = fsState.resolve(getUriPath(path), true);
FileSystem fs = res.isInternalDir() ?
(fsState.getRootFallbackLink() != null ?
fsState.getRootFallbackLink().getTargetFileSystem() :
fsGetter().get(path.toUri(), conf)) :
res.targetFileSystem;
if (fs instanceof ChRootedFileSystem) {
ChRootedFileSystem chFs = (ChRootedFileSystem) fs;
return new MountPathInfo<>(chFs.fullPath(res.remainingPath),
chFs.getMyFs());
}
return new MountPathInfo<FileSystem>(res.remainingPath, fs);
} catch (FileNotFoundException e) {
// No link configured with passed path.
throw new NotInMountpointException(path,
"No link found for the given path.");
}
}
{code}
Need to check a bit more, Might have messed up. :-)
> Fix ViewDFS with mount points for HDFS only API
> -----------------------------------------------
>
> Key: HDFS-16222
> URL: https://issues.apache.org/jira/browse/HDFS-16222
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: test_to_repro.patch
>
>
> Presently, For HDFS specific API, The resolved path seems to be coming wrong.
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