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https://issues.apache.org/jira/browse/HADOOP-7487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13568428#comment-13568428
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Hadoop QA commented on HADOOP-7487:
-----------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12567487/hadoop-7487-1.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-common-project/hadoop-common.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2129//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/2129//console
This message is automatically generated.
> DF should throw a more reasonable exception when mount cannot be determined
> ---------------------------------------------------------------------------
>
> Key: HADOOP-7487
> URL: https://issues.apache.org/jira/browse/HADOOP-7487
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Andrew Wang
> Labels: noob
> Attachments: hadoop-7487-1.patch
>
>
> Currently, when using the DF class to determine the mount corresponding to a
> given directory, it will throw the generic exception "Expecting a line not
> the end of stream" if it can't determine the mount (for example if the
> directory doesn't exist).
> This error message should be improved in several ways:
> # If the dir to check doesn't exist, we can see that before even execing df,
> and throw a better exception (or behave better by chopping path components
> until it exists)
> # Rather than parsing the lines out of df's stdout, collect the whole output,
> and then parse. So, if df returns a non-zero exit code, we can avoid trying
> to parse the empty result
> # If there's a success exit code, and we still can't parse it (eg
> incompatible OS), we should include the unparseable line in the exception
> message.
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