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From Robert Firby <jim.fi...@gmail.com>
Subject Re: Networking problem in 0.7.1
Date Tue, 17 Oct 2006 20:14:18 GMT
I had a problem just like this when I upgraded too.  It fixed my problem to
change the machine names in the hadoop.site.xml file to be fully qualified.

Ie. Change prodigy:50006 to be prodigy.whatever.com:50006

Jim


On 10/17/06 12:19 PM, "Andrew McNabb" <amcnabb@mcnabbs.org> wrote:

> I just upgraded from Hadoop 0.6.2 to 0.7.1.  I'm having a new networking
> problem now.  My mapred.job.tracker now only listens on localhost
> (127.0.0.1). All of the other services seem to be behaving correctly.
> In hadoop-site.xml, I have mapred.job.tracker set to "prodigy:50006" and
> fs.default.name to "prodigy:50005".  I have not overridden
> mapred.job.tracker.info.bindAddress anywhere, so I would assume it's
> still at 0.0.0.0 as in hadoop-default.xml.  Here's what "lsof -i |grep
> ^java" gives me:
> 
> java      18233 amcnabb    3u  IPv4  63875       TCP
> prodigy.aml.cs.byu.edu:38083->sage.aml.cs.byu.edu:ldap (ESTABLISHED)
> java      18233 amcnabb    8u  IPv6  64013       TCP *:50070 (LISTEN)
> java      18233 amcnabb   10u  IPv6  64014       TCP
> localhost.localdomain:50005 (LISTEN)
> java      18233 amcnabb   13u  IPv6  65342       TCP
> localhost.localdomain:50005->localhost.localdomain:45751 (ESTABLISHED)
> java      18311 amcnabb    6u  IPv6  64091       TCP *:50075 (LISTEN)
> java      18311 amcnabb   10u  IPv6  65341       TCP
> localhost.localdomain:45751->localhost.localdomain:50005 (ESTABLISHED)
> java      18311 amcnabb   12u  IPv6  64047       TCP *:50010 (LISTEN)
> java      18377 amcnabb    3u  IPv4  64087       TCP
> prodigy.aml.cs.byu.edu:38097->sage.aml.cs.byu.edu:ldap (ESTABLISHED)
> java      18377 amcnabb    9u  IPv6  64835       TCP
> localhost.localdomain:50006 (LISTEN)
> java      18377 amcnabb   12u  IPv6  64838       TCP *:50030 (LISTEN)
> java      18459 amcnabb    7u  IPv6  64252       TCP *:50060 (LISTEN)
> java      18459 amcnabb   10u  IPv6  64255       TCP *:50050 (LISTEN)
> 
> For some reason, the fs and jobtracker are listening on
> localhost.localdomain instead of *.  Any ideas on what could be going
> wrong?  Also, is there a standard port number to use for the
> fs.default.name, mapred.job.tracker, etc. (I just made them up)?



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