I got it to work with Ant 1.4 with JDK 1.3.1 on Win2k.
Is ${project} defined and pointing to the right place?
Is ${project}/tools/ant/lib/optional.jar" the correct location
for where you moved the jar to?
Try running your build with -verbose and -debug to see if
you can get any more information from that.
--
Jill
----- Original Message -----
From: "William Ferguson" <[EMAIL PROTECTED]>
To: "'Ant Users List'" <[EMAIL PROTECTED]>
Sent: Monday, December 10, 2001 2:27 PM
Subject: RE: Setting classpath for Taskdef
> The task and the taskdef both have the exact same case 'mimeMail'.
>
> > -----Original Message-----
> > From: Jill Stephenson [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, 10 December 2001 14:52
> > To: Ant Users List
> > Subject: Re: Setting classpath for Taskdef
> >
> >
> > Try changing the name of the taskdef to be all lowercase, it
> > seems like the case of the task definition and actual usage of
> > the task must match ...
> >
> > --
> > Jill
> >
> >
> > ----- Original Message -----
> > From: "William Ferguson" <[EMAIL PROTECTED]>
> > To: "'Ant Users List'" <[EMAIL PROTECTED]>
> > Sent: Monday, December 10, 2001 12:29 PM
> > Subject: RE: Setting classpath for Taskdef
> >
> >
> > > OK.
> > >
> > > If I remove optional.jar from %ANT_HOME%\lib but define it
> > in the MimeMail
> > > taskdef along with J2ee.jar,
> > > then Ant can't find the MimeMail task.
> > >
> > > ie
> > >
> > > <taskdef name="mimeMail"
> > > classname="org.apache.tools.ant.taskdefs.optional.net.MimeMail">
> > > <classpath>
> > > <pathelement location="${project}/lib/j2ee/j2ee.jar"/>
> > > <pathelement location="${project}/tools/ant/lib/optional.jar"/>
> > > </classpath>
> > > </taskdef>
> > >
> > > Gives
> > >
> > > D:\source\main\buildScripts\NightlyBuild.xml:44: taskdef class
> > > org.apache.tools.ant.taskdefs.optional.net.MimeMail cannot be found
> > > at
> > >
> > org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:176)
> > > at
> > org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:114)
> > >
> > > etc
> > >
> > > But if I define the taskdef for MimeMail as above and don't remove
> > > optional.jar from %ANT_HOME%\lib then I get
> > >
> > >
> > > D:\source\main\buildScripts\NightlyBuild.xml:172: Could not
> > create task of
> > > type: mimeMail due to java.lang.NoClassDefFoundError:
> > javax/mail/Address
> > > at org.apache.tools.ant.Project.createTask(Project.java:509)
> > > at
> > >
> > org.apache.tools.ant.UnknownElement.makeTask(UnknownElement.java:148)
> > > at
> > >
> > org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElem
> > ent.java:83)
> > > at org.apache.tools.ant.Task.perform(Task.java:216)
> > >
> > >
> > > So it wuld seem that Ant definitely requires the optional.jar in its
> > > classpath when executed, and can't pick it up from the
> > taskdef classpath
> > > attribute.
> > >
> > > It also seems that Ant requires that any libraries that are
> > needed by an
> > > optional task to also be included in Ant's classpath.
> > > Ie these classes can't be specified via the classpath attribute of
> > taskdef.
> > >
> > > So either I'm doing something totally wrong, or the
> > classpath attribute
> > > doesn't appear to function.
> > >
> > > William
> > >
> > >
> > > > -----Original Message-----
> > > > From: Steve Loughran [mailto:[EMAIL PROTECTED]]
> > > > Sent: Monday, 10 December 2001 12:55
> > > > To: Ant Users List
> > > > Subject: Re: Setting classpath for Taskdef
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "William Ferguson" <[EMAIL PROTECTED]>
> > > > To: "'Ant Users List'" <[EMAIL PROTECTED]>
> > > > Sent: Sunday, December 09, 2001 4:32 PM
> > > > Subject: RE: Setting classpath for Taskdef
> > > >
> > > >
> > > > > Thanks Eric,
> > > > >
> > > > > optional.jar is already in %ANT_HOME%\lib and it finds it OK.
> > > > > It's just not finding j2ee.jar
> > > >
> > > > That is because the task in optional.jar is in a different
> > > > classloader from
> > > > the j2ee jar.
> > > >
> > > > > If I explicitly add j2ee.jar to the classpath when I
> > invoke Ant then
> > > > > everything works OK.
> > > > > But that is not an optimal solution.
> > > >
> > > > It is all you get unless you pull optional.jar from ant\lib
> > > > and include it
> > > > in the classpath you spec for MimeMail.
> > > >
> > > >
> > > > --
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