Jason Lowe created HADOOP-15078:
-----------------------------------
Summary: dtutil ignores nonexistent files
Key: HADOOP-15078
URL: https://issues.apache.org/jira/browse/HADOOP-15078
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 3.0.0-alpha1
Reporter: Jason Lowe
While investigating issues in HADOOP-15059 I ran the dtutil append command like
this:
{noformat}
$ hadoop dtutil append -format protobuf foo foo.pb
{noformat}
expecting the append command to translate the existing tokens in file {{foo}}
into the currently non-existent file {{foo.pb}}. Instead the command executed
without error and overwrote {{foo}} instead of creating {{foo.pb}} as I
expected. I now understand how append works, but it was very surprising to
have dtutil _silently ignore_ filenames requested on the command-line. At best
it is a bit surprising to the user. At worst it clobbers data the user did not
expect to be overwritten.
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