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https://issues.apache.org/jira/browse/HADOOP-8616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13451140#comment-13451140
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Aaron T. Myers commented on HADOOP-8616:
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The patch looks pretty good to me. Two little comments:
# I'd recommend using {{String#isEmpty()}} instead of {{String#length() == 0}}.
# Does a similar change not need to be made to the FileContext side of the
house, i.e. ChRootedFs?
> ViewFS configuration requires a trailing slash
> ----------------------------------------------
>
> Key: HADOOP-8616
> URL: https://issues.apache.org/jira/browse/HADOOP-8616
> Project: Hadoop Common
> Issue Type: Bug
> Components: viewfs
> Affects Versions: 0.23.0, 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Sandy Ryza
> Attachments: HADOOP-8616.patch
>
>
> If the viewfs config doesn't have a trailing slash commands like the
> following fail:
> {noformat}
> bash-3.2$ hadoop fs -ls
> -ls: Can not create a Path from an empty string
> Usage: hadoop fs [generic options] -ls [-d] [-h] [-R] [<path> ...]
> {noformat}
> We hit this problem with the following configuration because
> "hdfs://ha-nn-uri" does not have a trailing "/".
> {noformat}
> <property>
> <name>fs.viewfs.mounttable.foo.link./nameservices/ha-nn-uri</name>
> <value>hdfs://ha-nn-uri</value>
> </property>
> {noformat}
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