bug(?) nested classpath unusable with taskdef

[Joshua and Louise Fox]

Either I have found a bug with taskdef or I am botching the systax of
classpath elements.

I can define classpath as an attribute of taskdef, but I cannot define
classpath in a nested <classpath> tag.

Here is an example I built to illustrate this.

I make a class ant_test.SysOUtTask by copying the example MyVeryOwnTask
given in the docs.

The class is located at c:\AntTests\ant_test\SysOutTask.class and also
within the jar c:\AntTests\sysout.jar.

I place build.xml (text below) in c:\AntTests\run (not in c:\AntTests, since
present working directory is in the classpath for Ant anyway.)

I run ant.

I find that when classpath is defined as an attribute, Ant finds the class,
but when classpath is a nested element,  I get
java.lang.ClassNotFoundException: ant_test.SysOutTask
        at java.lang.Throwable.<init>(Throwable.java:96)

Replacing backslash with slash does not help.

Sincerely,


Joshua Fox


////////////////////////////////////////////////////////////////////////////
////////////////////////////////


Here is build.xml: Uncomment appropriately to test taskdefs. I have
indicated which taskdefs are OK and not OK.



<?xml version = "1.0" encoding = "UTF-8"?>
<project name="simple" default="do_all" basedir="c:/ant_test">

<!--  OK: -->

 <taskdef name="sysout"
  classname="ant_test.SysOutTask"
  classpath="C:\AntTests"
 >
 </taskdef>

<!-- *************************************** -->
<!--  OK: -->
<!--
 <taskdef name="sysout"
  classname="ant_test.SysOutTask"
  classpath="C:\AntTests\sysout.jar"
 >
 </taskdef>

-->

<!-- *************************************** -->
<!-- Not OK: -->
<!--
 <taskdef name="sysout"
  classname="ant_test.SysOutTask"
 >
  <classpath path="C:\AntTests" />
 </taskdef>
-->

<!-- *************************************** -->
<!-- Not OK: -->
<!--
 <taskdef name="sysout"
  classname="ant_test.SysOutTask"
 >
  <classpath>
        <pathelement path="C:\AntTests\sysout.jar"  />
     </classpath>
 </taskdef>
-->
   <target name="do_all" />
</project>




<?xml version = "1.0" encoding = "UTF-8"?>



<project name="simple" default="do_all" basedir="c:/ant_test">

<!--  OK: -->
<!--
	<taskdef name="sysout" 
		classname="ant_test.SysOutTask" 
		classpath="C:\AntTests" 
	>
	</taskdef>
-->
<!-- *************************************** -->
<!--  OK: -->
<!--
	<taskdef name="sysout" 
		classname="ant_test.SysOutTask" 
		classpath="C:\AntTests\sysout.jar" 
	>
	</taskdef>

-->

<!-- *************************************** -->
<!-- Not OK: -->

	<taskdef name="sysout" 
		classname="ant_test.SysOutTask" 
	>
		<classpath path="C:\AntTests" />
	</taskdef>


<!-- *************************************** -->
<!-- Not OK: -->
<!-- 
	<taskdef name="sysout" 
		classname="ant_test.SysOutTask" 
	>
		<classpath>
      		<pathelement path="C:\AntTests\sysout.jar"  />
    	</classpath>
	</taskdef>
-->	
   <target name="do_all" />
</project>