Unable to incorporate Oracle Composer in my existing project ?

Oracle Composer incorporated to my custom Webcenter application. I have added below code to my jspx page.

<af:pageTemplate viewId="/oracle/webcenter/portalapp/pagetemplates/KACSTHomepageTemplate.jspx"

                       id="pt1">

        <f:facet name="content">

          <af:group id="g2">

            <f:subview id="homeSubView">

            <af:panelGroupLayout id="test1">

              <pe:pageCustomizable id="pageCustomizable1" inlineStyle="border:1px solid blue;">

                <cust:panelCustomizable id="panelCustomizable1"

                                        layout="vertical" inlineStyle="border:1px solid red;">

                  <pe:changeModeLink id="cml1" rendered="#{!composerContext.inEditMode}" immediate="true"/>

                   <f:verbatim>

              <form id="loginform" name="loginform" method="POST"

                  action="j_security_check">

              <p/>

              <table cellspacing="2" cellpadding="3" border="1">

                <tr>

                  <th>Username:</th>

                  <td>

                    <input id="j_username" type="text" name="j_username" autocomplete="off"/>