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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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira