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POselected item in selectonemenu is always null
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  1. POselected item in selectonemenu is always null
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    copied!<p>I am trying to use a <code>&lt;p:dataTable&gt;</code> to display the contents of an object selected from a <code>&lt;p:selectOneMenu&gt;</code> list.</p> <p>The <code>&lt;p:selectOneMenu&gt;</code> is correctly populated with options. However:</p> <ol> <li>The <code>&lt;p:dataTable&gt;</code> is not updated when I select an item from the <code>&lt;p:selectOneMenu&gt;</code></li> <li>The server log indicates that the value of <code>#{MB.selectedDatabase}</code> is <code>null</code>. </li> <li><code>#{MB.setSelectedDatabase()}</code> is never invoked. </li> </ol> <p><strong>XHTML:</strong> </p> <pre class="lang-xml prettyprint-override"><code>&lt;h:form id="form"&gt; &lt;h:messages id="messages" /&gt; &lt;p:panelGrid columns="2"&gt; &lt;p:outputLabel value="Data:" /&gt; &lt;p:selectOneMenu immediate="true" id="customDatas" value="#{MB.selectedDatabase}" &gt; &lt;p:ajax execute="customDatas" render="infos" listener="#{MB.whatIsSelected()}" /&gt; &lt;f:selectItem itemLabel="Select Data" itemValue="" /&gt; &lt;f:selectItems value="#{MB.datas}" var="data" itemLabel="#{data.name}" itemValue="#{data.id}"/&gt; &lt;/p:selectOneMenu&gt; &lt;/p:panelGrid&gt; &lt;p:dataTable value="#{MB.selectedDatabase.infos}" var="item" id="infos" &gt; &lt;p:column &gt; &lt;f:facet name="header"&gt; &lt;h:outputText value="Info"/&gt; &lt;/f:facet&gt; &lt;h:outputText value="#{item.info}"/&gt; &lt;/p:column&gt; &lt;/p:dataTable&gt; &lt;/h:form&gt; </code></pre> <p><strong>Partial code from my sessionScoped Bean:</strong></p> <pre class="lang-java prettyprint-override"><code> public Data selectedDatabase; public void whatIsSelected(){ logger.log(Level.SEVERE, "Selected data is : {0}", selectedDatabase.getName()); infoBusinessLocal.getinfosbydata(selectedDatabase); } public Data getSelectedDatabase() { return selectedDatabase; } public void setSelectedDatabase(Data selectedDatabase) { logger.log(Level.SEVERE, "Set selectedDB is invoked"); this.selectedDatabase = selectedDatabase; } </code></pre>
 

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