How to include Managed bean class in build sciprt for taskflow (Jdev 11.4)

Hi,
I've developed a custom taskflow to be deployed in the webcenter spaces. The taskflow that I developed contains managed beans. I am using oracle provided build script with the sample application, to deploy custom taskflow. After the build, we don't see any .class files (managed bean files) in the generated war file. Once we deploy the taskflow into the space, it is failing may be because the managed bean class files are missing in the <taskflow>.war. Am i missing something? Should we specifically include the .class files in the build script?
Below is the oracle provide build script..
<?xml version="1.0" encoding="US-ASCII" ?>


<project name="WebCenterSpacesSharedLibExtension" default="all" basedir="."
xmlns:wls="oracle.webcenter.tools.wls">
<property file="../config.properties"/>
<property file="build.properties"/>
<import file="internal-targets.xml"/>
<taskdef resource="net/sf/antcontrib/antcontrib.properties">
<classpath>
<pathelement location="${jdeveloper.install.home.directory}/modules/net.sf.antcontrib_1.0.0.0_1-0b2/lib/ant-contrib.jar"/>
</classpath>
</taskdef>
<target name="clean-stage"
description="Cleans the output directory and generates the war"
depends="clean, stage"/>
<target name="deploy-shared-lib"
depends="init-wls"
description="Deploy the extending WebCenter shared library">
<echo> ---------------------------- </echo>
<echo> ${wls.userconfig} ${wls.userkey} ${wls.host}:${wls.port} ${oracle.jdeveloper.deploy.dir}/exploded ${wls.webcenter.app.target} ${customer.library.name}</echo>
<exec logerror="true"
executable="${jdeveloper.install.home.directory}/oracle_common/common/bin/${wlst.executable}"
dir="${jdeveloper.install.home.directory}/oracle_common/common/bin">

<arg line="${extending.spaces.home.dir}/WebCenterSpacesSharedLibExtension/extspaces.py ${wls.userconfig} ${wls.userkey} ${wls.host}:${wls.port} ${oracle.jdeveloper.deploy.dir}/exploded/${customer.library.name}.war ${wls.webcenter.app.target} ${customer.library.name}"/>


</exec>
<echo> ---------------------------- </echo>
<echo> Restarting the app </echo>
<echo> ---------------------------- </echo>
<exec logerror="true"
executable="${jdeveloper.install.home.directory}/oracle_common/common/bin/${wlst.executable}"
dir="${jdeveloper.install.home.directory}/oracle_common/common/bin">
<arg line="${extending.spaces.home.dir}/WebCenterSpacesSharedLibExtension/redepwc.py ${wls.userconfig} ${wls.userkey} ${wls.host}:${wls.port} "/>
</exec>
</target>
</project>
Thanks in advance
Nitin

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