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    copied!<p>Try to replace xhtml code with the following code</p> <pre><code>&lt;!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:rich="http://richfaces.org/rich" xmlns:a4j="http://richfaces.org/a4j"&gt; &lt;h:head&gt; &lt;/h:head&gt; &lt;h:form prependId="false"&gt; &lt;h:selectOneRadio id="type" label="Type" value="#{testBean.type}"&gt; &lt;f:selectItem itemLabel="Type1" itemValue="type1" /&gt; &lt;f:selectItem itemLabel="Type2" itemValue="type2" /&gt; &lt;f:ajax execute="@all" render="selectInputPanel"/&gt; &lt;/h:selectOneRadio&gt; &lt;h:panelGroup id="selectInputPanel"&gt; &lt;h:selectOneMenu id="selectBox" label="Service" value="#{testBean.service}" rendered="#{testBean.isType1}" style="width:285px"&gt; &lt;f:selectItem itemLabel="Medium" itemValue="medium" /&gt; &lt;f:selectItem itemLabel="Basic" itemValue="basic" /&gt; &lt;f:selectItem itemLabel="Premium" itemValue="premium" /&gt; &lt;/h:selectOneMenu&gt; &lt;h:inputText id="inputBox" size="50" value="#{testBean.custom}" rendered="#{!testBean.isType1}" /&gt; &lt;/h:panelGroup&gt; &lt;/h:form&gt;&lt;/ui:composition&gt; </code></pre> <p>Main problem in your code is,</p> <ol> <li>Missing h:head to import jsf.js which is required for jsf ajax.</li> <li>Please wrap your component into a panelGroup as suggested by @BaluC because once the component not rendered (not available on page) then the ajax on it will not work with its id.</li> </ol> <p>And regarding number of time getIsType1() method calling is due to the rendered attribute, for more information check @Baluc's answer <a href="https://stackoverflow.com/questions/4281261/why-is-the-getter-called-so-many-times-by-the-rendered-attribute?lq=1">here</a></p>
 

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