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From "Chappell, Simon P" <Simon.Chapp...@landsend.com>
Subject RE: Ant lib vs. Classpath
Date Tue, 27 May 2003 14:39:27 GMT
I agree with Erik here. We're coming to the end of a workstation standardisation project and
I have insisted that the correct place for the junit.jar is in the ANT_HOME/lib because of
both classloader issues and it's cross-project utilisation.

The heuristic that I use is that there are two places where a JAR file can live: the project's
lib directory or ANT_HOME/lib. If the file can vary between projects, then it goes in the
project's lib directory. If the file does not vary between projects or is cross-project then
it lives in ANT_HOME/lib.

This has stopped a lot of problems from even being able to occur.

Simon

-----------------------------------------------------------------
Simon P. Chappell                     simon.chappell@landsend.com
Java Programming Specialist                      www.landsend.com
Lands' End, Inc.                                   (608) 935-4526

"Never give in - never, never, never, never, in nothing great or
small, large or petty, never give in except to convictions of
honor and good sense." - Sir Winston Churchill


>-----Original Message-----
>From: Erik Hatcher [mailto:jakarta-ant@ehatchersolutions.com]
>Sent: Tuesday, May 27, 2003 9:25 AM
>To: Ant Users List
>Subject: Re: Ant lib vs. Classpath
>
>
>junit.jar is a special case here.  It must be in the same classloader 
>as the <junit> task itself.  The recommended solution for junit.jar is 
>to place it in ANT_HOME/lib.  I view junit.jar as such an 
>integral part 
>of all my development needs, that its *home* location is just in 
>ANT_HOME/lib - I don't maintain it anywhere else.
>
>	Erik
>
>
>
>On Tuesday, May 27, 2003, at 10:07  AM, Matthias P. wrote:
>> Hi,
>>
>> my question is a conceptual one.
>>
>> Erik and Steve suggest in their (great) book (thanks for it!) not to 
>> use the
>> classpath variable instead of placing libs in the Ant lib 
>directory. I 
>> try
>> to follow their advice where ever possible, but now i am not 
>sure how 
>> to do
>> it.
>>
>> I am using the ant-contrib and the junit libs. The junit lib is also 
>> used by
>> our developers to test local. Both libs are under version control in 
>> PVCS in
>> a special libary project. I dont want the both libaries to be stored 
>> local
>> in the ant lib directory. They should be identically to the version 
>> under
>> source control.
>>
>> Is it a good solution to use the classpath here and point to the 
>> directory
>> where ant is saving the libs after retriving it from PVCS.
>> Or is it better to retrieve it from PVCS ans store them in 
>the Ant lib
>> directory?
>> Or should i store them local on our build mashine and additonally in 
>> PVCS
>> and synchronize it manually?
>>
>> Thanks,
>> Matthias
>>
>> -- 
>> +++ GMX - Mail, Messaging & more  http://www.gmx.net +++
>> Bitte l├Ącheln! Fotogalerie online mit GMX ohne eigene Homepage!
>>
>>
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