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Editorial Team
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Asked: 2026-05-14T02:39:34+00:00

Let’s consider following, simplified example: We have 2 tabs withing <rich:tabPanel switchType=ajax> , each

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Let’s consider following, simplified example:

We have 2 tabs withing <rich:tabPanel switchType="ajax">, each tab has <h:inputText value="" required="true" /> and at the moment we want to switch from one tab to another, and the inputText is empty (we don’t want to submit value from it anyway, we want to go to another tab) we get "Validation Error: Value is required."

The example code:

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html
    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:a4j="http://richfaces.org/a4j"
    xmlns:rich="http://richfaces.org/rich"
 >
        <a4j:form id="mainForm"
            reRender="mainForm"
            ajaxSubmit="true">

            <rich:tabPanel switchType="ajax">
                <rich:tab label="TabA" >
                    <a4j:region>
                        <h:outputText value="Tab A content" />
                        <h:inputText value="" required="true" />
                    </a4j:region>
                </rich:tab>
                <rich:tab label="TabB">
                    <a4j:region>
                        <h:outputText value="Tab B content" />
                        <h:inputText value="" required="true" />
                    </a4j:region>
                </rich:tab>
            </rich:tabPanel>
            <rich:messages />
        </a4j:form>
 </html>
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1 Answer

  1. Editorial Team

    You should add the “immediate” attribute to the tabPanel. To quote the docs this means that the tabPanel:

    “…component value must be converted and
    validated immediately (that is, during
    Apply Request Values phase), rather
    than waiting until a Process
    Validations phase”

    For example:

    <rich:tabPanel switchType="ajax" immediate="true">
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