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Posted to common-dev@hadoop.apache.org by "Harsh J (Resolved) (JIRA)" <ji...@apache.org> on 2011/11/18 10:40:51 UTC
[jira] [Resolved] (HADOOP-3395) Namenode.initialize() sets the
default filesystem uri to an ip6 address (0:0:0:0:0:0:0:0)
[ https://issues.apache.org/jira/browse/HADOOP-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J resolved HADOOP-3395.
-----------------------------
Resolution: Duplicate
While you're supposed to use hostnames for HDFS URIs, HADOOP-6056 fixes this issue by shipping with the IPv4 preferrer opt. Resolving as dupe.
> Namenode.initialize() sets the default filesystem uri to an ip6 address (0:0:0:0:0:0:0:0)
> -----------------------------------------------------------------------------------------
>
> Key: HADOOP-3395
> URL: https://issues.apache.org/jira/browse/HADOOP-3395
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.17.0
> Reporter: Clint Morgan
>
> When starting the namenode, I would get the following exception:
> Caused by: java.io.IOException: Incomplete HDFS URI, no host/port: hdfs://0:0:0:0:0:0:0:0:50051
> at org.apache.hadoop.dfs.DistributedFileSystem.initialize(DistributedFileSystem.java:66)
> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1275)
> at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:56)
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1286)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:208)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:108)
> at org.apache.hadoop.fs.Trash.<init>(Trash.java:62)
> at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:138)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:180)
> at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:166)
> I tracked this down to NameNode.java line 127 and 128. The socetAddress returned by this.server.getListenerAddress() is an ipv6 style address with colons. Then this is set as the default filesystem which causes problems on the next call to FileSystem.get.
> I replacedthe line:
> this.nameNodeAddress = this.server.getListenerAddress();
> with
> this.nameNodeAddress = socAddr;
> And this made it work for me. However, I gather this would break support for ephemeral ports? Is there a better way for me to fix this, maybe disabling ipv6 elsewhere?
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