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https://issues.apache.org/jira/browse/HADOOP-3918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pete Wyckoff updated HADOOP-3918:
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Attachment: patch2.txt
made regex for hadoop more stringent as suggested by zheng.
> Improve fuse-dfs error message when classpath not set or set incorrectly
> ------------------------------------------------------------------------
>
> Key: HADOOP-3918
> URL: https://issues.apache.org/jira/browse/HADOOP-3918
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/fuse-dfs
> Reporter: Pete Wyckoff
> Assignee: Pete Wyckoff
> Priority: Minor
> Attachments: patch0.txt, patch1.txt, patch1.txt, patch2.txt
>
>
> Currently libhdfs does an exit(1) when it cannot create a hadoop object. fuse
> does not like this and instead fuse_dfs should return -EIO and log to syslog
> and stderr a message. Also if it is obvious somehting is wrong, like the
> CLASSPATH is null or does not contain something of the form
> hadoop-[a-zA-Z-].jar immediately print an error and exit
> Note that it is tough to debug this issue because when fuse-dfs is not in
> debug mode, it is running as a fuse module and stderr is redirected, so all
> one gets is "software abort" when libhdfs exits. So, this will greatly
> improve things since fuse-dfs can print a proper error and the user can
> quickly see what the problem is.
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