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From Diane Holt <hol...@yahoo.com>
Subject RE: v1.3 -- problems retrieving properties from <property file="S OMEF ILE">
Date Wed, 02 May 2001 15:42:05 GMT
Hi James,

Are the other properties in the properties file getting set correctly?

Diane

--- "Webb, James" <james.webb@vignette.com> wrote:
> the properties are not being set when i use them. 
> i have tried to use them in other tasks without
> success. 
> 
> also the properties from my file are
> not referring to other properties. each is explicit
> with its own key and value.
> 
> also i am not using the properties from the file as the 
> basis for any other properties within my project.
> I am using their keys directly in each task i have tried.
> 
> 
> i have tried
> 	1. using one of the properties in a replace task
> 		on a file with a token.
> 	2. using the mkdir task to create a directory named
> 		after one of the properties
> 	3. using the mail task to send the value of one of the
> 		properties as part of the message.
> 	4. using the echo task to output the value of the property.
> 
> In all of these cases the output is the property name not its value
> 
> 	${weblogic.webapp.name}
> 
> instead of
> 
> 	mywebapp
> 
> 
> I am not sure else what to try.
> 
> -----Original Message-----
> From: Conor MacNeill [mailto:conor@cognet.com.au]
> Sent: Wednesday, May 02, 2001 7:06 AM
> To: ant-user@jakarta.apache.org
> Subject: Re: v1.3 -- problems retrieving properties from <property
> file="SOMEF ILE">
> 
> 
> From: "Diane Holt" <holtdl@yahoo.com>
> > --- Nico Seessle <nico@apache.org> wrote:
> > > > (Maybe this should go in the FAQ.)
> > > >
> > > The better place would be Bugzilla with a little testcase :-) So we
> can
> > > fix that and don't need to describe wrong behaviour...
> >
> > As I recall, it may not be fixable -- I think it has to do with the
> order
> > in which properties get set. That is, if you have something like:
> >
> > root.dir=/my/tree
> > out.dir=${root.dir}/classes
> >
> > you will likely get a log message saying that property root.dir isn't
> set.
> > Conor could probably explain it in more detail.
> >
> 
> OK, when reading in from a properties file, you can ignore this message
> :-)
> 
> What happens is this:
> 
> The properties are read in as a Properties object. They are then read
> out
> with an enumeration and added to Ant's collection of properties. The
> order
> of properties returned by that enumeration is, in general, not the same
> as
> the order of the properties in the file. So, there may effectively be
> forward references in the order returned by the enumeration. When this
> occurs, Ant will print this message but then resolve the forward
> reference
> within the properties object from the properties file.
> 
> In other words, properties in a properties file are more declarative
> than
> those in a build file :-).
> 
> Now I agree that the warning there is a problem. The reason I left it
> in,
> however, is that it is generally very difficult to catch use of
> properties
> which are not set. I'll probably get rid of it now.
> 
> So, to the original poster, if you ignore the messages, can you check
> that
> the values are actually being set correctly.
> 
> Sorry for the confusion.
> 
> Conor
> 


=====
(holtdl@yahoo.com)



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