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From: Yongqin Xu <yongqxu@hotmail.com>
To: users tomcat <users@tomcat.apache.org>
Subject: RE: tomcat 7: common.loader property in catalina.properties does
 not take ANT style variable
Date: Wed, 11 May 2011 13:21:10 -0600
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In-Reply-To: <4DCA96CC.90603@christopherschultz.net>
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I would love to see that happen. thanks.

> Date: Wed=2C 11 May 2011 10:01:48 -0400
> From: chris@christopherschultz.net
> To: users@tomcat.apache.org
> Subject: Re: tomcat 7: common.loader property in catalina.properties does=
 not take ANT style variable
>=20
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>=20
> Konstantin=2C
>=20
> On 5/10/2011 4:50 PM=2C Konstantin Kolinko wrote:
> > 2011/5/11 Christopher Schultz <chris@christopherschultz.net>:
> >> On 5/10/2011 3:05 AM=2C Konstantin Kolinko wrote:
> >>> IIRC=2C catalina.properties file does not support substitution for
> >>> anything=2C besides those two specific properties=2C "catalina.home" =
and
> >>> "catalina.base".
> >>
> >> The documentation suggests otherwise:
> >>
> >> http://tomcat.apache.org/tomcat-7.0-doc/config/index.html
> >>
> >> "
> >> Tomcat configuration files are formatted as schemaless XML=3B elements=
 (...)
> >=20
> > The said file is not an XML one. The above quote is not applicable.
>=20
> Upon second reading of that passage=2C you're right: though
> catalina.properties is mentioned=2C it's (somewhat) clear than it can be
> used to /define/ properties=2C but does not enjoy the
> system-property-replacements used in those other files.
>=20
> It makes sense=2C given that otherwise there would be a terrible circular
> logic problem when reading catalina.properties. I suppose=2C eventually=
=2C
> you'd either evaluate all system properties or detect a loop and could
> bail-out.
>=20
> If this seems like something the community would like=2C I wouldn't mind
> writing a patch to allow this type of thing.
>=20
> - -chris
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>=20
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