Wei Yan created HDFS-13045:
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Summary: RBF: Improve error message returned from subcsluter
Key: HDFS-13045
URL: https://issues.apache.org/jira/browse/HDFS-13045
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Wei Yan
Assignee: Wei Yan
Currently, Router directly returns exception response from subcluster to
client, which may not have the correct error message, especially when the error
message containing a path.
One example, we have a mount path "/a/b" mapped to subclusterA's "/c/d". If
user1 does a chown operation on "/a/b", and he doesn't have corresponding
privilege, currently the error msg looks like "Permission denied. user=user1 is
not the owner of inode=/c/d", which may confuse user. Would be better to
reverse the path back to original mount path.
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