Andrey Zinovyev created HDFS-14408:
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Summary: HttpFS handles paths with special charactes different
than WebHdfs
Key: HDFS-14408
URL: https://issues.apache.org/jira/browse/HDFS-14408
Project: Hadoop HDFS
Issue Type: Bug
Components: httpfs
Affects Versions: 3.1.1
Reporter: Andrey Zinovyev
Attachments: httpfs-special-fix.patch, httpfs-special-test.patch
After HDFS-13176 WebHdfsFileSystem encodes special characters twice. For
example path _/tmp/day=2018-01-01_ becomes _/webhdfs/v1/tmp/day%253D2018-01-01_
call.
In NamenodeWebHdfsMethods it is handled by decode path twice (first by web
server and then in code explicityly).
But if we use httpfs it fails to get paths with special characters (like `=`),
cause it decodes path once.
Test to reproduce and simple fix in attachment. Although I think that double
encoding doesn't look right.
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