Greg,
I found some interesting comments on the Ant Archives; see [1] and
its further comments on the same thread. Bottom line, it is recommended you
use the -lib flag when invoking ant; so your ant invocation would be:
$ ant -lib /path/to/your/jars -f buildfile.xml
Hope this helps you
Regards
-Luis
[1]
http://marc.theaimsgroup.com/?l=ant-user&m=109612423713819&w=2
http://marc.theaimsgroup.com/?l=ant-user&m=109613984207651&w=2
-----Original Message-----
From: Greg Wilson [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 12, 2004 8:34 AM
To: [EMAIL PROTECTED]
Cc: Cosmo A. DiFazio Jr.
Subject: Ant + JUnit problems
Hi everyone. I can now make Ant + JUnit work on my machine, but only by
adding files to the Ant installation. I do *not* want to tell my students
they have to do this --- my experience is that mucking with third-party
installs leads almost instantly to maintenance migraines. So, here's what
I've got; if anyone can propose a cleaner solution than copying junit.jar
into $ANT_HOME/lib, I'd like to hear it.
- Project layout is pretty standard:
./
build.xml
src/
User.java
tst/
TestUser.java
class/
...User.class and TestUser.class put here...
lib/
...the usual suspects --- more detail below...
I've installed JUnit in C:/junit3.8.1 (JUNIT_HOME), and Ant is in
C:/apache-ant-1.6.2 (ANT_HOME).
- Relevant parts of my build.xml are:
<path id="cpath.run">
<fileset dir="${lib}">
<include name="**/*.jar"/>
</fileset>
<pathelement location="${class}" />
</path>
and
<target name="test">
<junit fork="yes" printsummary="on">
<classpath refid="cpath.run" />
<formatter type="plain" usefile="false" />
<test name="TestUser" todir="${report}" />
</junit>
</target>
- My CLASSPATH is set to 'C:/junit3.8.1/junit.jar;.', but Ant doesn't pay
attention to that---it only cares about the classpath set in
'build.xml'. So, copy 'junit.jar' to my project's 'lib' directory: that
makes everything compile, but when I try to run, I get:
"Ant could not find the task or a class this task relies upon."
followed by another screenful of messages.
- The documentation says, "You must have junit.jar and the class files for
the <junit> task in the same classpath." 'cpath.run' includes both
'junit.jar' and my generated class files, but not ant-junit.jar. So,
re-set CLASSPATH to
'C:/junit3.8.1/junit.jar;C:/apache-ant-1.6.2/lib/ant-junit.jar;.'.
Doesn't make a difference.
- Try copying ant-junit.jar to my 'lib' folder, so that it will be
included in my 'cpath.run'. No good; remove it.
- As I said above, I do *not* want to recommend to students that they
start moving files around in third-party installations, since it
quickly leads to maintenance nightmares. However, let's see if copying
'junit.jar' into '$ANT_HOME/lib' makes a difference: yup, that makes my
tests run. Delete it again and keep going.
- What about removing 'ant-junit.jar' from '$ANT_HOME/lib' as the FAQ
entry at:
http://ant.apache.org/faq.html#delegating-classloader
seems to suggest? (Right at the bottom, under the heading "Using The
Second Option with Ant 1.6 and later"). This leaves me with 'junit.jar'
and 'ant-junit.jar' in my 'lib' directory, and neither in '$ANT_HOME/lib'.
Nope, doesn't work.
As I said in the intro, my goal isn't just to get this to work, but to get
it to work in a way I feel comfortable showing to undergraduate students.
Advice would be welcome.
Thanks,
Greg
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