I want to update the resultMediaTable in the p:commandButton I added update=":mediaSelectForm:resultMediaTable" but I got error :
java.lang.RuntimeException: javax.servlet.ServletException: Cannot find component with identifier ":mediaSelectForm:resultMediaTable" referenced from "mainForm:mediaSearchForm:searchButton".
<!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core" xmlns:p="http://primefaces.org/ui">
<p:dialog id="mediaSelectDialog" header="#{ui['action.search']} #{ui['media.title1']}" widgetVar="mediaDialog" resizable="false" modal="true"
styleClass="searchDialog">
<h:form id="mediaSearchForm">
<p:inputText id="searchInput" value="#{mediaAssigner.mediaSearchQuery}" />
<p:watermark for="searchInput" value="#{ui['shared.name']}" />
<p:commandButton id="searchButton" value="#{ui['action.search']}" actionListener="#{mediaAssigner.searchMediaVideos}"
update=":mediaSelectForm:resultMediaTable" icon="ui-icon-search" process="@parent" />
</h:form>
<h:form id="mediaSelectForm">
<p:dataTable id="resultMediaTable" var="media" value="#{mediaAssigner.resultMedia}" paginator="true" rows="10"
selection="#{liveStreamController.liveStream.media}" rowKey="#{media.id}" paginatorPosition="bottom" selectionMode="single">
<p:column headerText="#{ui['shared.id']}" style="width: 20%">
#{media.id}
</p:column>
<p:column headerText="#{ui['shared.name']}">
#{media.name}
</p:column>
<f:facet name="footer">
<p:commandButton value="#{ui['liveStream.assignMedia']}" update=":mainForm:mediaText :mainForm:runtime :mainForm:addMedia"
oncomplete="mediaDialog.hide()" process="resultMediaTable" actionListener="#{mediaAssigner.onMediaAssigned(liveStreamController.liveStream)}" />
</f:facet>
</p:dataTable>
</h:form>
</p:dialog>
</ui:composition>
