applications/order/widget/ordermgr/OrderTaskScreens.xml

<?xml version="1.0" encoding="UTF-8"?>
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software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->

<!--
To use these screens add these entries to the controller.xml file:

<request-map uri="tasklist"><security https="true" auth="true"/><response name="success" type="view" value="ordertasklist"/></request-map>

<!- - Order Manager Task List Requests - ->
<request-map uri="acceptassignment">
    <security https="true" auth="true"/>
    <event type="java" path="org.apache.ofbiz.order.task.TaskEvents" invoke="acceptRoleAssignment"/>
    <response name="success" type="view" value="orderview"/>
    <response name="error" type="view" value="ordertasklist"/>
</request-map>
<request-map uri="delegateassignment">
    <security https="true" auth="true"/>
    <event type="java" path="org.apache.ofbiz.order.task.TaskEvents" invoke="delegateAndAcceptAssignment"/>
    <response name="success" type="view" value="orderview"/>
    <response name="error" type="view" value="ordertasklist"/>
</request-map>
<request-map uri="completeassignment">
    <security https="true" auth="true"/>
    <event type="java" path="org.apache.ofbiz.order.task.TaskEvents" invoke="completeAssignment"/>
    <response name="success" type="view" value="ordertasklist"/>
    <response name="error" type="view" value="ordertasklist"/>
</request-map>
<request-map uri="holdorder">
    <security https="true" auth="true"/>
    <event type="service" path="" invoke="wfSuspendActivity"/>
    <response name="success" type="view" value="ordertasklist"/>
    <response name="error" type="view" value="ordertasklist"/>
</request-map>
<request-map uri="releasehold">
    <security https="true" auth="true"/>
    <event type="service" path="" invoke="wfResumeActivity"/>
    <response name="success" type="view" value="ordertasklist"/>
    <response name="error" type="view" value="ordertasklist"/>
</request-map>


<view-map name="ordertasklist" type="screen" page="component://order/widget/ordermgr/OrderTaskScreens.xml#OrderTaskList"/>

==================
Also add this back to AppHeader.ftl:

<li<#if selected = "tasklist"> class="selected"</#if>><a href="<@ofbizUrl>tasklist</@ofbizUrl>">${uiLabelMap.OrderOrderTasks}</a></li>

-->

<screens xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://ofbiz.apache.org/Widget-Screen" xsi:schemaLocation="http://ofbiz.apache.org/Widget-Screen http://ofbiz.apache.org/dtds/widget-screen.xsd">
    <screen name="CommonOrderTaskDecorator">
        <section>
            <widgets>
                <decorator-screen name="main-decorator" location="${parameters.mainDecoratorLocation}">
                    <decorator-section name="body">
                        <section>
                            <widgets>
                                <decorator-section-include name="body"/>
                            </widgets>
                        </section>
                    </decorator-section>
                </decorator-screen>
            </widgets>
        </section>
    </screen>
    <screen name="OrderTaskList">
        <section>
            <actions>
                <set field="titleProperty" value="OrderOrderTasks"/>
                <set field="headerItem" value="tasklist"/>
                <script location="component://order/src/main/groovy/org/apache/ofbiz/order/task/OrderTaskList.groovy"/>
            </actions>
            <widgets>
                <decorator-screen name="CommonOrderTaskDecorator">
                    <decorator-section name="body">
                        <platform-specific>
                            <html><html-template multi-block="true" location="component://order/template/task/OrderTaskList.ftl"/></html>
                        </platform-specific>
                    </decorator-section>
                </decorator-screen>
            </widgets>
        </section>
    </screen>
</screens>