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https://issues.apache.org/jira/browse/HADOOP-15430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16478404#comment-16478404
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Aaron Fabbri commented on HADOOP-15430:
---------------------------------------
Great work here. Test code is very nice.
{quote}+ // here the problem: the URI constructor doesn't strip trailing "/"
chars
{quote}
Sigh. Unfortunate.
{noformat}
+ @Override
+ public Path makeQualified(final Path path) {
+ Path q = super.makeQualified(path);
+ if (!q.isRoot()) {
+ String urlString = q.toUri().toString();
+ if (urlString.endsWith(Path.SEPARATOR)) {
+ // this is a path which needs root stripping off to avoid
+ // confusion, See HADOOP-15430
+ LOG.debug("Stripping trailing '/' from {}", q);
+ // deal with an empty "/" at the end by mapping to the parent and
+ // creating a new path from it
{noformat}
super minor nit.. you could omit that last comment i think, seems like you
changed your approach?
{noformat}
+ q = new Path(urlString.substring(0, urlString.length() - 1));
+ }
+ }
+ if (!q.isRoot() && q.getName().isEmpty()) {
+ q = q.getParent();
+ }
{noformat}
This part, I'm assuming is for the trailing double slash case, right?
Anyways +1, LGTM pending paying the checkstyle tax.
> hadoop fs -mkdir -p path-ending-with-slash/ fails with s3guard
> --------------------------------------------------------------
>
> Key: HADOOP-15430
> URL: https://issues.apache.org/jira/browse/HADOOP-15430
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.1.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Blocker
> Attachments: HADOOP-15430-001.patch, HADOOP-15430-002.patch,
> HADOOP-15430-003.patch
>
>
> if you call {{hadoop fs -mkdir -p path/}} on the command line with a path
> ending in "/:. you get a DDB error "An AttributeValue may not contain an
> empty string"
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