[
https://issues.apache.org/jira/browse/HDFS-10276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15245590#comment-15245590
]
Kevin Cox commented on HDFS-10276:
----------------------------------
Oops, my mistake. That chmod should be 666 (non executable) which would cause
the `cat` to throw the exception. The new log is below.
{code}
% hdfs --config starscream/hadoop dfs -put <(echo test) /test
2016-04-18 08:15:41,615 WARN [main] util.NativeCodeLoader
(NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
hdfs --config starscream/hadoop dfs -put <(echo test) /test 2.72s user 0.18s
system 128% cpu 2.269 total
% hdfs --config starscream/hadoop dfs -chmod 666 /test
2016-04-18 08:16:52,903 WARN [main] util.NativeCodeLoader
(NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
hdfs --config starscream/hadoop dfs -chmod 666 /test 2.37s user 0.16s system
182% cpu 1.390 total
% hdfs --config starscream/hadoop dfs -cat /test/bar
2016-04-18 08:16:55,743 WARN [main] util.NativeCodeLoader
(NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
cat: Permission denied: user=foo, access=EXECUTE,
inode="/test/bar":kevincox:supergroup:-rw-rw-rw-
HADOOP_USER_NAME=foo hdfs --config starscream/hadoop dfs -cat /test/bar 2.40s
user 0.16s system 185% cpu 1.378 total
{code}
> Different results for exist call for file.ext/name
> --------------------------------------------------
>
> Key: HDFS-10276
> URL: https://issues.apache.org/jira/browse/HDFS-10276
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kevin Cox
> Assignee: Yuanbo Liu
>
> Given you have a file {{/file}} an existence check for the path
> {{/file/whatever}} will give different responses for different
> implementations of FileSystem.
> LocalFileSystem will return false while DistributedFileSystem will throw
> {{org.apache.hadoop.security.AccessControlException: Permission denied: ...,
> access=EXECUTE, ...}}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
