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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: underscore in a hostname
Date Thu, 24 Jun 2010 20:30:55 GMT
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Danny,

On 6/24/2010 2:43 PM, Danny Gallagher wrote:
> Getting an exception about an invalid character in my hostname.
> My computer name does in fact have an underscore in it.

Underscores aren't allowed in hostnames in URLs (see RFC 1738,
http://www.ietf.org/rfc/rfc1738.txt, and search for "hostname"), so
that's likely the problem. ;)

Perhaps Microsoft Windows allows more characters in the "machine name"
which gets turned into the hostname, which is then invalid :(

Would you mind posting the stack trace just for giggles?

> Am I better off just changing my computer name to something with no
> underscore?

Probably.

> Is there a tomcat configuration where I can change it to my IP or localhost?

That depends on where the exception is being thrown.

> I searched for my computer name in the conf directory and did not see
> anywhere it was used.
> Why did the manager application not complain about the same issue? Only the
> spring application.

It's probably trying to use a specific hostname instead of just
"localhost" or something equivalent.

- -chris
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