WangYuanben created HDFS-16977:
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Summary: Forbid assigned characters in pathname when new file or
directory is created.
Key: HDFS-16977
URL: https://issues.apache.org/jira/browse/HDFS-16977
Project: Hadoop HDFS
Issue Type: New Feature
Components: dfsclient, namenode
Affects Versions: 3.3.4
Reporter: WangYuanben
Some pathnames which contains special character(s) may lead to unexpected
results. For example, there is a file named "/foo/file*" in my cluster, created
by "DistributedFileSystem.create(new Path("/foo/file*"))". When I want to
remove it, I type in "hadoop fs -rm /foo/file*" in shell. However, I remove all
the files with the prefix of "/foo/file*" unexpectedly. There are also some
other characters just like '*', such as ' ', '|', '&', etc.
Therefore, it's necessary to restrict the occurrence of these characters in
pathname. A simple but effective way is to forbid assigned characters in
pathname when new file or directory is created.
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