Build.xml class not found problems

<project name="springapp" default="install" basedir=".">

	<property file="build.properties"/>
	<property file="${user.home}/build.properties"/>

	<property name="app.name"      value="springapp"/>
	<property name="app.path"      value="/${app.name}"/>
	<property name="app.version"   value="0.1-dev"/>
	<property name="build.home"    value="${basedir}/build"/>
	<property name="catalina.home" value="C:/Tomcat5.5"/> <!-- UPDATE THIS! -->
	<property name="dist.home"     value="${basedir}/dist"/>
	<property name="docs.home"     value="${basedir}/docs"/>
	<property name="manager.url"   value="http://localhost:8080/manager"/>
	<property name="src.home"      value="${basedir}/src"/>
	<property name="web.home"      value="${basedir}/WebContent"/>

	<taskdef name="deploy"   classname="org.apache.catalina.ant.DeployTask"/>
	<taskdef name="list"     classname="org.apache.catalina.ant.ListTask"/>
	<taskdef name="reload"   classname="org.apache.catalina.ant.ReloadTask"/>
	<taskdef name="undeploy" classname="org.apache.catalina.ant.UndeployTask"/>
	
	<property name="compile.debug"       value="true"/>
	<property name="compile.deprecation" value="false"/>
	<property name="compile.optimize"    value="true"/>

	<property name="compile.debug"       value="true"/>
	<property name="compile.deprecation" value="false"/>
	<property name="compile.optimize"    value="true"/>
	
	<path id="compile.classpath">

		<pathelement location="${catalina.home}/common/classes"/>
		<fileset dir="${catalina.home}/common/endorsed">
		  <include name="*.jar"/>
		</fileset>
		<fileset dir="${catalina.home}/common/lib">
		  <include name="*.jar"/>
		</fileset>
	
		<pathelement location="${catalina.home}/shared/classes"/>
		<fileset dir="${catalina.home}/shared/lib">
			<include name="*.jar"/>
		</fileset>
	
		<pathelement location="${catalina.home}/server/lib"/>
		<fileset dir="${catalina.home}/server/lib">
			<include name="*.jar"/>
		</fileset>
	</path>
<!--**************-->
<!--* ALL TARGET *-->
<!--**************-->
	<target name="all" depends="clean,compile"
		description="Clean build and dist directories, then compile"/>
<!--****************-->
<!--* CLEAN TARGET *-->
<!--****************-->
	<target name="clean"
		description="Delete old build and dist directories">
		<delete dir="${build.home}"/>
		<delete dir="${dist.home}"/>
	</target>
<!--******************-->
<!--* COMPILE TARGET *-->
<!--******************-->
	<target name="compile" depends="prepare"
		description="Compile Java sources">

		<!-- Compile Java classes as necessary -->
		<mkdir    dir="${build.home}/WEB-INF/classes"/>
		<javac srcdir="${src.home}"
			destdir="${build.home}/WEB-INF/classes"
			debug="${compile.debug}"
			deprecation="${compile.deprecation}"
			optimize="${compile.optimize}">
		<classpath refid="compile.classpath"/>
		</javac>

		<!-- Copy application resources -->
		<copy  todir="${build.home}/WEB-INF/classes">
			<fileset dir="${src.home}" excludes="**/*.java"/>
		</copy>
	</target>
<!--***************-->
<!--* DIST TARGET *-->
<!--***************-->
	<target name="dist" depends="compile,javadoc"
		description="Create binary distribution">

		<!-- Copy documentation subdirectories -->
		<mkdir   dir="${dist.home}/docs"/>
		<copy    todir="${dist.home}/docs">
			<fileset dir="${docs.home}"/>
		</copy>

		<!-- Create application JAR file -->
		<jar jarfile="${dist.home}/${app.name}-${app.version}.war"
			basedir="${build.home}"/>

		<!-- Copy additional files to ${dist.home} as necessary -->
	</target>
<!--******************-->
<!--* INSTALL TARGET *-->
<!--******************-->		
	<target name="install" depends="compile"
		description="Install application to servlet container">

	<deploy url="${manager.url}"
		username="${manager.username}"
		password="${manager.password}"
		path="${app.path}"
		localWar="file://${build.home}"/>
	</target>
<!--******************-->
<!--* JAVADOC TARGET *-->
<!--******************-->
	<target name="javadoc" depends="compile"
		description="Create Javadoc API documentation">

		<mkdir dir="${dist.home}/docs/api"/>
		<javadoc sourcepath="${src.home}"
			destdir="${dist.home}/docs/api" packagenames="*">
			<classpath refid="compile.classpath"/>
		</javadoc>
	</target>
<!--***************-->
<!--* LIST TARGET *-->
<!--***************-->
	<target name="list"
		description="List installed applications on servlet container">

		<list	url="${manager.url}"
				username="${manager.username}"
				password="${manager.password}"/>
	</target>
<!--******************-->
<!--* PREPARE TARGET *-->
<!--******************-->
	<target name="prepare">

		<!-- Create build directories as needed -->
		<mkdir  dir="${build.home}"/>
		<mkdir  dir="${build.home}/WEB-INF"/>
		<mkdir  dir="${build.home}/WEB-INF/classes"/>

		<!-- Copy static content of this web application -->
		<copy todir="${build.home}">
		  <fileset dir="${web.home}"/>
		</copy>

		<!-- Copy external dependencies as required -->
		<!-- *** CUSTOMIZE HERE AS REQUIRED BY YOUR APPLICATION *** -->
		<mkdir  dir="${build.home}/WEB-INF/lib"/>
		<!--
		    <copy todir="${build.home}/WEB-INF/lib" file="${foo.jar}"/>
		-->
		
		<!-- Copy static files from external dependencies as needed -->
		<!-- *** CUSTOMIZE HERE AS REQUIRED BY YOUR APPLICATION *** -->
	</target>
</project>