Andrew Wang created HDFS-6068:
---------------------------------
Summary: Disallow snapshot names that are also invalid directory
names
Key: HDFS-6068
URL: https://issues.apache.org/jira/browse/HDFS-6068
Project: Hadoop HDFS
Issue Type: Bug
Components: snapshots
Affects Versions: 2.4.0
Reporter: Andrew Wang
There are a number of restrictions on valid names in HDFS. For example, you
can't name a directory "." or "..", or something containing a ":".
However, I can happily create a snapshot named "a:b:c", resulting in this:
{code}
-> % hdfs dfs -createSnapshot /home/andrew a:b:c
Created snapshot /home/andrew/.snapshot/a:b:c
-> % hadoop fs -ls /home/andrew/.snapshot
-ls: java.net.URISyntaxException: Relative path in absolute URI: a:b:c
Usage: hadoop fs [generic options] -ls [-d] [-h] [-R] [<path> ...]
{code}
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