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https://issues.apache.org/jira/browse/HDFS-11092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15633193#comment-15633193
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John Zhuge commented on HDFS-11092:
-----------------------------------
Uri {{abc.com/}} is parsed into {{scheme=null, authority=null, path=abc.com/}};
while {{abc.com}} into {{scheme=hdfs, authority=abc.com, path=}}.
> Stackoverflow if only root directory is used in Command Line
> ------------------------------------------------------------
>
> Key: HDFS-11092
> URL: https://issues.apache.org/jira/browse/HDFS-11092
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.7.2
> Reporter: Darius Murawski
> Assignee: John Zhuge
>
> Command: hadoop fs -fs 172.16.12.79/ -mkdir -p /usr/hduser
> Results in a Stack Overflow
> {code}
> Exception in thread "main" java.lang.StackOverflowError
> at java.lang.String.indexOf(String.java:1503)
> at java.net.URI$Parser.scan(URI.java:2951)
> at java.net.URI$Parser.parseHierarchical(URI.java:3104)
> at java.net.URI$Parser.parse(URI.java:3063)
> at java.net.URI.<init>(URI.java:588)
> at java.net.URI.create(URI.java:850)
> at org.apache.hadoop.fs.FileSystem.getDefaultUri(FileSystem.java:180)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:172)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:357)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:172)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:357)
> (...)
> {code}
> The Problem is the Slash at the End of the IP Address. When I remove it, the
> command is executed correctly.
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