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https://issues.apache.org/jira/browse/HADOOP-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12566001#action_12566001
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Nigel Daley commented on HADOOP-2194:
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-1. No regression test.
> dfs cat on a file that does not exist throws a java IOException
> ---------------------------------------------------------------
>
> Key: HADOOP-2194
> URL: https://issues.apache.org/jira/browse/HADOOP-2194
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.15.1, 0.16.0
> Reporter: Mukund Madhugiri
> Assignee: Mahadev konar
> Fix For: 0.17.0
>
> Attachments: patch_2194_1.patch, patch_2194_2.patch,
> patch_2194_3.patch, patch_2194_4.patch
>
>
> The dfs cat command throws an IOException when the file does not exist:
> bin/hadoop dfs -cat doesnotexist
> cat: java.io.IOException: Cannot open filename<home directory>/doesnotexist]
> In Linux, if a file does not exist, cat displays this:
> cat: doesnotexist: No such file or directory
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