Kihwal Lee created HDFS-15181:
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Summary: Webhdfs getTrashRoot() caused internal
AccessControlException
Key: HDFS-15181
URL: https://issues.apache.org/jira/browse/HDFS-15181
Project: Hadoop HDFS
Issue Type: Bug
Components: webhdfs
Reporter: Kihwal Lee
HDFS-10883 added the {{getTrashRoot()}} support for WebHdfs. However, it was
done by creating a FileSystem instance in the namenode. This is unacceptable
for many reasons and also the implementation is not correct. The current
implementation only works when security is off. When security is on, the
internal client received AccessControlException and does not work.
A similar bug was preset in HDFS-11156. Again, this is not merely a
"performance bug". These don't work with security on. Fortunately HDFS-11156
was reverted and reworked. I've recently reverted it and ported the rework to
branch-2.10.
Unless HDFS-10883 can be remedied quickly, it needs to be reverted.
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