Build.xml issue - ant

Question

Selenium - ANT -TestNG
I have written a build.xml, where it produces a error stating " classname attribute of taskdef element is undefined "
Here is my build.xml
<?xml version="1.0" encoding="UTF-8"?>
<project name ="AutomationScripts" default="test" basedir=".">
<echo message ="Testing selenium server... Plz wait"/>
<target name="startServer">
<echo message ="Start selenium server... Plz wait"/>
<java jar="..\lib\selenium-server-standalone-2.19.0.jar" fork="true">
<jvmarg value="-Dhttp.proxyHost=192.168.0.200"/>
<jvmarg value="-Dhttp.proxyPort=3128"/> </java>
<echo message ="Started selenium server"/>
</target>
<target name="test" depends="startServer">
<echo message="Test run. Please wait"/>
<mkdir dir="out" />
<java classname="RosettastoneMain" classpath="..\AutomationScripts\bin"
dir="C:\Program Files\Java\jdk1.6.0_11\bin">
<classpath>
<fileset dir="..\AutomationScripts\lib" includes="*.*"/>
</classpatha></java>
<taskdef name="testng" classpath="org.testng.TestNG"> ---------> It produces
error in this stmt
<classpath>
<pathelement location="../lib/testng-6.2.jar"/>
</classpath>
</taskdef>
<property name="testng.output.dir" value="testngOutput"/>
<path id="classes">
<fileset dir="../lib">
<include name="*.jar"/>
</fileset>
<pathelement location="${bin.dir}"/>
</path>
<mkdir dir="${testng.output.dir}"/>
<testng outputdir="${testng.output.dir}" classpathref="classes">
<xmlfileset dir="." includes="testng.xml"/>
</testng> </target>
<target name="stopServer">
<echo message="stop selenium server. Plz wait"/>
<get taskname="selenium-shutdown"
src="http://localhost:4444/selenium-server-standalone-2.0rc2/driver/?cmd=shutDown"
dest="./out/sever.stop.status.txt" ignoreerrors="true"/>
</target>
</project>
Can any one help me out
thanks in advance

Answer 1

You need to specify the class implementing the data type in the 'classname' attribute.
According to the Ant taskdef documentation (and more specifically typedef), this task has two required attributes - 'name' and 'classname', unless 'file' or 'resource' have been specified. The attribute 'classpath' only defines the locations where the class specified in 'classname' can be found.