Wei-Chiu Chuang created HDFS-9123:
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Summary: Validation of a path ended with a '/'
Key: HDFS-9123
URL: https://issues.apache.org/jira/browse/HDFS-9123
Project: Hadoop HDFS
Issue Type: Bug
Components: fs
Reporter: Wei-Chiu Chuang
Assignee: Wei-Chiu Chuang
Priority: Minor
HDFS forbids copying from a directory to its subdirectory (e.g. hdfs dfs -cp
/abc /abc/xyz) as otherwise it could cause infinite copying (/abc/xyz/xyz,
/abc/xyz/xyz, /abc/xyz/xyz/xyz,... etc)
However, if the source path is ended with a '/' path separator, the existing
validation for sub-directories fails. For example, copying from / to /abc would
cause infinite copying, until the disk space is filled up.
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