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https://issues.apache.org/jira/browse/HDFS-1406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-1406:
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Attachment: Test.java
Wrote this little script while looking at this issue, it may be useful for
others.
On the default ubuntu config, I get:
t...@ubuntu64-build01:/tmp$ java -cp . Test
socAddr: localhost/127.0.0.1:0
hostname: localhost
Bound to: /127.0.0.1:55081
Hostname: ubuntu64-build01
If I switch the order in /etc/hosts it goes to:
t...@ubuntu64-build01:/tmp$ java -cp . Test
socAddr: localhost/127.0.0.1:0
hostname: localhost
Bound to: /127.0.0.1:46112
Hostname: localhost
and TestCLI can pass
> TestCLI fails on Ubuntu with default /etc/hosts
> -----------------------------------------------
>
> Key: HDFS-1406
> URL: https://issues.apache.org/jira/browse/HDFS-1406
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20.2, 0.21.0, 0.22.0
> Reporter: Todd Lipcon
> Priority: Minor
> Attachments: Test.java
>
>
> Depending on the order of entries in /etc/hosts, TestCLI can fail. This is
> because it sets fs.default.name to "localhost", and then the bound IPC socket
> on the NN side reports its hostname as "foobar-host" if the entry for
> 127.0.0.1 lists "foobar-host" before "localhost". This seems to be the
> default in some versions of Ubuntu.
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