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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5802) NameNode does not check for inode type before traversing down a path
Date Fri, 18 Sep 2015 06:59:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14805094#comment-14805094
] 

Hadoop QA commented on HDFS-5802:
---------------------------------

\\
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m 32s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 44s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 58s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m 19s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 27s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 26s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m  7s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 163m 50s | Tests failed in hadoop-hdfs. |
| | | 208m 25s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.web.TestWebHDFSOAuth2 |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12757202/HDFS-5802.006.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 723c31d |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12533/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12533/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf900.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/12533/console |


This message was automatically generated.

> NameNode does not check for inode type before traversing down a path
> --------------------------------------------------------------------
>
>                 Key: HDFS-5802
>                 URL: https://issues.apache.org/jira/browse/HDFS-5802
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.0.0-alpha
>            Reporter: Harsh J
>            Assignee: Xiao Chen
>            Priority: Trivial
>              Labels: supportability
>         Attachments: HDFS-5802.001.patch, HDFS-5802.002.patch, HDFS-5802.003.patch, HDFS-5802.004.patch,
HDFS-5802.005.patch, HDFS-5802.006.patch
>
>
> This came up during the discussion on a forum at http://community.cloudera.com/t5/Batch-Processing-and-Workflow/Permission-denied-access-EXECUTE-on-getting-the-status-of-a-file/m-p/5049#M162
surrounding an fs.exists(…) check running on a path /foo/bar, where /foo is a file and not
a directory.
> In such a case, NameNode yields a user-confusing message of {{Permission denied: user=foo,
access=EXECUTE, inode="/foo":foo:foo:-rw-r--r--}} instead of clearly saying (and realising)
"/foo is not a directory" or "/foo is a file" before it tries to traverse further down to
locate the requested path.



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