Trains and Fragment Based bounded task flows

Question

The Problem:
I am trying to create a bounded task flow based on fragments using a train. I have created the train and it is showing up on my page. Unfortunately, when I click next on the af:trainButtonBar the UI does not update. If I navigate off the page and come back to the page containing the train the UI is on the next task in the task flow and the train is updated but it is not happening through partial page rendering. Does anyone have an idea why the UI is not updating? Here are some of the file contents:
My first Fragment in the task flow (InputsNewBasic.jsff):
<?xml version='1.0' encoding='windows-1252'?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.0"
          xmlns:af="http://xmlns.oracle.com/adf/faces/rich"
          xmlns:f="http://java.sun.com/jsf/core">
  <af:pageTemplate viewId="/page_templates/TrainFragment.jspx">
    <f:facet name="fragementContent">
      <af:panelFormLayout>
        <af:inputText label="Name" inlineStyle="width:100%;"/>
        <af:inputText label="Description" rows="3" inlineStyle="width:100%;"/>
        <af:selectOneChoice label="Plugin Source">
          <af:selectItem label="Plugin Number One"/>
          <af:selectItem label="Plugin Number Two"/>
          <af:selectItem label="Plugin Number Three"/>
          <af:selectItem label="selectItem 1"/>
        </af:selectOneChoice>
        <af:inputText label="Input File Mask"/>
        <f:facet name="footer"/>
      </af:panelFormLayout>
    </f:facet>
  </af:pageTemplate>
</jsp:root>
My TrainFragment.jspx template:
<?xml version='1.0' encoding='windows-1252'?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.0"
          xmlns:f="http://java.sun.com/jsf/core"
          xmlns:h="http://java.sun.com/jsf/html"
          xmlns:af="http://xmlns.oracle.com/adf/faces/rich">
  <jsp:directive.page contentType="text/html;charset=windows-1252"/>
  <af:pageTemplateDef var="attrs">
    <af:xmlContent>
      <component xmlns="http://xmlns.oracle.com/adf/faces/rich/component">
        <display-name>TrainFragment</display-name>
        <facet>
          <description>This is the content that will be presented for the
                       fragment</description>
          <facet-name>fragementContent</facet-name>
        </facet>
      </component>
    </af:xmlContent>
    <af:train value="#{controllerContext.currentViewPort.taskFlowContext.trainModel}" var="trainNode">
      <f:facet name="nodeStamp">
        <af:commandNavigationItem text="#{trainNode.textAndAccessKey}"
                        visited="#{trainNode.visited}"
                        action="#{trainNode.action}"
                        disabled="#{trainNode.disabled}"/>
      </f:facet>
    </af:train>
    <af:trainButtonBar value="#{controllerContext.currentViewPort.taskFlowContext.trainModel}"/>
    <af:panelGroupLayout>
      <af:facetRef facetName="fragementContent"/>
    </af:panelGroupLayout>
  </af:pageTemplateDef>
</jsp:root>
My Task Flow Definition:
<?xml version="1.0" encoding="windows-1252" ?>
<adfc-config xmlns="http://xmlns.oracle.com/adf/controller">
  <task-flow-definition id="InputsNewTrain">
    <default-activity>InputsNewBasic</default-activity>
    <view id="InputsNewBasic">
      <page>/page_fragments/inputs/InputsNewBasic.jsff</page>
      <train-stop>
        <description>
          Specify the basic information for the Input definition.
        </description>
        <display-name>Basic Information</display-name>
        <sequential>true</sequential>
      </train-stop>
    </view>
    <view id="InputsNewDefineMap">
      <page>/page_fragments/inputs/InputsNewDefineMap.jsff</page>
      <train-stop>
        <description>
          Define the Input map
        </description>
        <display-name>Map Inputs</display-name>
        <sequential>true</sequential>
      </train-stop>
    </view>
    <view id="InputsNewCommit">
      <page>/page_fragments/inputs/InputsNewCommit.jsff</page>
      <train-stop>
        <description>
          Commit the Input definition
        </description>
        <display-name>Commit Definition</display-name>
        <sequential>true</sequential>
      </train-stop>
    </view>
    <train/>
    <use-page-fragments/>
  </task-flow-definition>
</adfc-config>Message was edited by:
JohnJ

Answer 1

Hi,
Have you try to set Refresh and RefreshCondition for your TaskFlow on the Page Definition
for example:
Refresh=IfNeeded
RefreshCondition=<isPostback>