Problema executando o build.xml

<?xml version="1.0" encoding="iso-8859-1"?>

<project default="build" basedir=".">

<property file="build.properties"/>

	<property name="app.id" value="goodlife"/>
	<property name="app.name" value="${app.id}"/>
	<property name="app.version" value="1.0"/>
	<property name="dist.base" value="dist"/>
	<property name="dist.home" value="${dist.base}"/>
	<property name="build.base" value="build"/>
	<property name="build.home" value="${build.base}/${app.id}"/>
	<property name="build.webinf" value="${build.home}/WEB-INF"/>
	<property name="build.lib" value="${build.webinf}/lib"/>
	<property name="build.classes" value="${build.webinf}/classes"/>
	<property name="home.conf" value="conf"/>
	<property name="home.web" value="web"/>
	<property name="home.lib" value="lib"/>
	<property name="home.src" value="src" />
	<property name="home.docs" value="docs"/>
	<property name="home.images" value="images"/>

	<!--  controle de compilacao  -->
	
	<property name="compile.debug" value="true"/>
	<property name="compile.deprecation" value="true"/>
	<property name="compile.optimize" value="true"/>
	<property name="packagenames" value="src.*"/>
	<property name="warfile" value="${app.id}.war"/>

	<!-- Classpath -->
	<path id="compile.classpath">
		<fileset dir="${home.lib}">
			<include name="*.jar"/>
		</fileset>
		<pathelement location="${build.classes}"/>
	</path>

	<!-- CREATE PROJECT -->

	<target name="start" depends="prepare"/>
	<!-- PREPARE  -->
	<target name="prepare">
		<mkdir dir="${build.home}"/>
		<mkdir dir="${build.lib}"/>
		<mkdir dir="${build.classes}"/>
		
		<mkdir dir="${home.conf}"/>
		<mkdir dir="${home.web}"/>
		<mkdir dir="${home.lib}"/>
		<mkdir dir="${home.src}"/>
		<mkdir dir="${home.docs}"/>

		<copy todir="${build.lib}">
			<fileset dir="${home.lib}">
				<include name="*.jar"/>
				<exclude name="junit.jar"/>
				<exclude name="servlet.jar"/>
				<exclude name="j2ee.jar"/>				
			</fileset>
		</copy>
		<copy todir="${build.webinf}">
			<fileset dir="${home.conf}">
				<include name="*.tld"/>
				<include name="*.properties"/>
				<include name="*.conf"/>
				<include name="*.xml"/>
				<include name="*.script"/>
			</fileset>
		</copy>
	</target>

	<!-- COPYWEB -->
	<target name="copyWeb" depends="prepare">
		<copy todir="${build.home}">
			<fileset dir="${home.web}">
				<exclude name="WEB-INF"/>
			</fileset>
			<fileset dir="${home.images}">
			</fileset>
		</copy>
	</target>

	<!-- CLEAN -->
	<target name="clean" description="Delete old build and dist 
directories">
		<delete dir="${build.home}"/>
		<delete dir="${dist.home}"/>
	</target>
	
	<!-- COMPILE -->
	<target name="build" depends="copyWeb" description="Compile Java 
sources">
		<!-- Compile Java classes as necessary -->
		<javac srcdir="${home.src}" destdir="${build.classes}" 
debug="${compile.debug}" deprecation="${compile.deprecation}" 
optimize="${compile.optimize}">
			<classpath refid="compile.classpath"/>
		</javac>
	</target>

	<!-- JAVADOC -->
	<target name="javadoc" description="Gerando JavaDoc">
	    <javadoc destdir="${home.docs}" author="true" version="true" use="true" windowtitle="Sisac API">
			<fileset dir="${home.src}" defaultexcludes="yes">
	        	<include name="**/*.java" />
		        <exclude name="**/*Test*.java"/>
		    </fileset>
	    </javadoc>
	</target>
    	
	<!-- DISTRIBUTION -->
	<target name="war" depends="copyWeb,build" description="Create binary 
distribution">
		<mkdir dir="${dist.home}"/>
		<jar jarfile="${dist.home}/${warfile}" basedir="${build.home}"/>
	</target>
	
	<!-- makedb -->
	<target name="makedb" depends="prepare, build" description="Cria as tabelas no BD" >
		<java classpathref="compile.classpath" classname="br.com.goodlifeassociados.model.database.IniciaBD"/>
	</target>

</project>