German locale makes NameNode web interface crash
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Key: HADOOP-2456
URL: https://issues.apache.org/jira/browse/HADOOP-2456
Project: Hadoop
Issue Type: Bug
Components: dfs
Affects Versions: 0.15.2
Environment: Ubuntu Linux 7.10
Reporter: Matthias Friedrich
Priority: Minor
When starting the NameNode with a German locale (or some other that uses "," as
the decimal separator), the web interface (dfshealth.jsp) crashes with a
NumberFormatException.
To reproduce:
$ LC_ALL=de_DE bin/start-dfs.sh
Then copy some data to the store so that the percentage of used space is above
0%. Load the web interface in your browser and you'll get a HTTP 500 error
message.
The problem is that FsShell gives you a localized number (eg. "0,7") which
can't be parsed by Double.parseDouble().
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