I am creating web application using JSF 2.0 where I am assigning users to

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Asked: June 12, 20262026-06-12T21:15:35+00:00 2026-06-12T21:15:35+00:00

I am creating web application using JSF 2.0 where I am assigning users to

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I am creating web application using JSF 2.0 where I am assigning users to view projects. For that I have two list. First list that have users who are not assigned that project and list B have users who have assigned that project. And we can interchange the data.

Code I have is

<t:selectManyListbox id="sourceCars"  style="width: 40%;"
                     value="#{PersonalInformationDataBean.listOfUsers}" size="10">
    <t:selectItems value="#{PersonalInformationDataBean.showAllMyRemData()}" var="t"
                   itemLabel="#{t.title}" itemValue="#{t.status}"/>
</t:selectManyListbox>

<span>
    <input type="button" value=" >> " id="dbleMeRight"/>
    <input type="button" value=" &lt;&lt; " id="dbleMeLeft"/>
</span>

<t:selectManyListbox id="targetCars"  style="width: 40%;"
                     value="#{PersonalInformationDataBean.listOfUsers}" size="10">
    <t:selectItems value="#{PersonalInformationDataBean.showAllMyData()}" var="n"
                   itemLabel="#{n.title}" itemValue="#{n.status}"/>
</t:selectManyListbox>

<h:commandButton value="Save Edited Project Info." action="#{PersonalInformationDataBean.editPatentData(MyLogin.loginname)}" />

where t is xmlns:t="http://myfaces.apache.org/tomahawk".

PersonalInformationDataBean.java

private List<String> listOfUsers = new ArrayList<String>();
private List<String> listOfUsers002 = new ArrayList<String>();
private List<CommonBean01> listOfListUsers = new ArrayList<CommonBean01>();
private List<CommonBean01> listOfListUsers002 = new ArrayList<CommonBean01>();

// above getter and setters

Iterator itr = listOfUsers.iterator();
System.out.println("list of usersssss == " + listOfUsers);

while (itr.hasNext()) {
    psmtt = conn.prepareStatement("INSERT INTO patentInvite (invitedWhom, patentId, personalInfoId) VALUES (?,?,?)");
    String inviteWhom = itr.next().toString();
    System.out.println("to who we have invited is " + inviteWhom);
    psmtt.setString(1, inviteWhom);
    psmtt.setLong(2, patentId);
    psmtt.setLong(3, personalInfoId);
    psmtt.execute();

    System.out.println("Data entered is == " + inviteWhom + "==" + patentId + "==" + personalInfoId + "==");
}

public List<CommonBean01> showAllMyRemData() {
    try {
        CommonBean01 commonBean = new CommonBean01();
        listOfListUsers = new ArrayList<CommonBean01>();
        ConnectToDatabase db = new ConnectToDatabase();
        Connection conn = db.makeconnection();


        PreparedStatement psmt = conn.prepareStatement("SELECT * FROM patentInvite WHERE patentId=?");
        System.out.println("patent id here is " + patentId);
        psmt.setLong(1, patentId);
        ResultSet rs = psmt.executeQuery(), rs2 = null;
        PreparedStatement pstt = null;

        int dd = 0;
        String listOfUser = "";
        int myCounter = 0;
        while (rs.next()) {
            if (myCounter==0) {
                listOfUser = "'" + rs.getString(2) + "'"; 
            } else {
                listOfUser = listOfUser + ",'" + rs.getString(2) + "'";
            }
            myCounter++;
        }

        System.out.println("id selected are :: " + listOfUser);

        psmt = conn.prepareStatement("SELECT userid, fullName, userType FROM userDetails WHERE userid NOT IN (" + listOfUser + ")");
        rs = psmt.executeQuery();

        listOfListUsers = new ArrayList<CommonBean01>();
        while (rs.next()) {
            commonBean = new CommonBean01();
            commonBean.setStatus(rs.getString(1));
            commonBean.setTitle(rs.getString(2) + " [" + rs.getString(3) + "]");
            listOfListUsers.add(commonBean);
            System.out.println("wat say....(" + rs.getString(1) + ") -- " + rs.getString(2) + "");
        }
        return listOfListUsers;
    } catch (Exception e) {
        System.out.println("Exception = " + e);
        return null;
    }
}

public List<CommonBean01> showAllMyData() {
    try {
        CommonBean01 commonBean = new CommonBean01();
        listOfListUsers = new ArrayList<CommonBean01>();
        ConnectToDatabase db = new ConnectToDatabase();
        Connection conn = db.makeconnection();

        PreparedStatement psmt = conn.prepareStatement("SELECT * FROM patentInvite WHERE patentId=?");
        System.out.println("patent id here is " + patentId);
        psmt.setLong(1, patentId);
        ResultSet rs = psmt.executeQuery(), rs2 = null;
        PreparedStatement pstt = null;
        listOfListUsers = new ArrayList<CommonBean01>();

        while (rs.next()) {
            System.out.println("");
            pstt = conn.prepareStatement("SELECT userid, fullName, userType FROM userDetails WHERE userid=?");
            pstt.setString(1, rs.getString(2));
            System.out.println("setting id for " + rs.getString(1));
            rs2 = pstt.executeQuery();

            int dd = 0;
            while (rs2.next()) {
                System.out.println("inside data " + rs2.getString(2));
                commonBean = new CommonBean01();
                commonBean.setStatus(rs2.getString(1));
                commonBean.setTitle(rs2.getString(2) + " [" + rs2.getString(3) + "]");
                listOfListUsers.add(commonBean);
                System.out.println("wat say here....(" + rs2.getString(1) + ") -- " + rs2.getString(2) + "");
            }
        }
        return listOfListUsers;
    } catch (Exception e) {
        System.out.println("Exception = " + e);
        return null;
    }
}

CommonBean01.java

public class CommonBean01 {
    private String title;
    private String status;

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final CommonBean01 other = (CommonBean01) obj;
        if ((this.status == null) ? (other.status != null) : !this.status.equals(other.status)) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        int hash = 5;
        hash = 89 * hash + (this.status != null ? this.status.hashCode() : 0);
        return hash;
    }
}

Now when I take user from left list to right list and click Save Edit Info button, I get error as targetCars: Validation Error: Value is not valid.

Note :

When I don’t change any list and click Save Edit Info, it works well.

Any idea why I am getting this error?

Edit 1

I made below changes

<t:selectManyListbox id="sourceCars"  style="width: 40%;"
                     value="#{PersonalInformationDataBean.listOfUsers002}" size="10">
    <t:selectItems value="#{PersonalInformationDataBean.showAllMyRemData()}" var="t"
                   itemLabel="#{t.title}" itemValue="#{t.status}"/>
</t:selectManyListbox>


public List<CommonBean01> showAllMyRemData() {
    try {
        CommonBean01 commonBean = new CommonBean01();
        listOfListUsers002 = new ArrayList<CommonBean01>();
        ConnectToDatabase db = new ConnectToDatabase();
        Connection conn = db.makeconnection();


        PreparedStatement psmt = conn.prepareStatement("SELECT * FROM patentInvite WHERE patentId=?");
        System.out.println("patent id here is " + patentId);
        psmt.setLong(1, patentId);
        ResultSet rs = psmt.executeQuery(), rs2 = null;
        PreparedStatement pstt = null;

        int dd = 0;
        String listOfUser = "";
        int myCounter = 0;
        while (rs.next()) {
            if (myCounter==0) {
                listOfUser = "'" + rs.getString(2) + "'"; 
            } else {
                listOfUser = listOfUser + ",'" + rs.getString(2) + "'";
            }
            myCounter++;
        }

        System.out.println("id selected are :: " + listOfUser);

        psmt = conn.prepareStatement("SELECT userid, fullName, userType FROM userDetails WHERE userid NOT IN (" + listOfUser + ")");
        rs = psmt.executeQuery();

        listOfListUsers002 = new ArrayList<CommonBean01>();
        while (rs.next()) {
            commonBean = new CommonBean01();
            commonBean.setStatus(rs.getString(1));
            commonBean.setTitle(rs.getString(2) + " [" + rs.getString(3) + "]");
            listOfListUsers002.add(commonBean);
            System.out.println("wat say....(" + rs.getString(1) + ") -- " + rs.getString(2) + "");
        }
        return listOfListUsers002;
    } catch (Exception e) {
        System.out.println("Exception = " + e);
        return null;
    }
}

still I am getting same error.

Edit 2

jQuery code to move items are as below.

$(function() {
    var  sourceCars=$('#sourceCars option').clone();
    $('#filterDis').change(function() {
        var val = $(this).val();
        alert("changed me=="+val+"==");
        $('#sourceCars').empty();
        alert("changed me=="+sourceCars+"==");
        sourceCars.filter(function(idx, el) {
            var found=false;
            $('#targetCars option').each(function(){
                if ($(this).val()===$(el).text())
                    found=true;
            });
            alert(found);

            if(found)
                return false;

            return val === 'ALL' || $(el).text().indexOf('[' + val + ']') >= 0;
        }).appendTo('#sourceCars');
        $("#targetCars option").attr("selected", "selected");
    });

    $('#sourceCars').dblclick(function() {
        $('#sourceCars option:selected').appendTo('#targetCars');
        $("#targetCars option").attr("selected", "selected");
    });

    $('#dbleMeRight').click(function() {
        $('#sourceCars option:selected').appendTo('#targetCars');
        $("#targetCars option").attr("selected", "selected");
    });

    $('#targetCars').dblclick(function() {

        var targetList=$('#targetCars option:selected');
        var filterVal= $('#filterDis').val();
        if( filterVal === 'ALL' || targetList.text().indexOf('[' + filterVal + ']') >= 0)
            targetList.appendTo('#sourceCars');
        else
            targetList.remove();
        var foption = $('#sourceCars option:first');
        var soptions = $.makeArray($('#sourceCars option:not(:first)')).sort(function(a, b) {
            return a.text == b.text ? 0 : a.text &lt; b.text ? -1 : 1
        });
        $('#sourceCars').html(soptions).prepend(foption);
        foption.attr("selected", true).siblings("option").removeAttr("selected");
        $("#targetCars option").attr("selected", "selected");
    });

    $('#dbleMeLeft').click(function() {

        var targetList=$('#targetCars option:selected');
        var filterVal= $('#filterDis').val();
        if( filterVal === 'ALL' || targetList.text().indexOf('[' + filterVal + ']') >= 0)
            targetList.appendTo('#sourceCars');
        else
            targetList.remove();
        var foption = $('#sourceCars option:first');
        var soptions = $.makeArray($('#sourceCars option:not(:first)')).sort(function(a, b) {
            return a.text == b.text ? 0 : a.text &lt; b.text ? -1 : 1
        });
        $('#sourceCars').html(soptions).prepend(foption);
        foption.attr("selected", true).siblings("option").removeAttr("selected");
        $("#targetCars option").attr("selected", "selected");
    });

});

NOTE: If I move item from List B (Right) to List A (left), it works fine. BUT WHEN I move item from List A (Left) to List B (right), I get this error.

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1 Answer

Editorial Team · Answer 1 · 2026-06-12T21:15:36+00:00

To the point, your concrete problem is caused by the mistake that you filled listbox items using JavaScript/jQuery instead of JSF. This way JSF is never been made aware of the new items added by JavaScript. You need to fill the listbox items using JSF instead of JavaScript/jQuery.

When you submit a form with an UISelectOne/UISelectMany component, then JSF will always compare the submitted value to the list of available items from <f:selectItem(s)>. If the submitted value is not contained in the list of available items, then you will get exactly this Validation Error: Value is not valid error. This is part of builtin safeguard against tampered/attacked requests. The client should not be able to submit a item which the server has not specified.

Changing the available items in JavaScript/jQuery side does not automagically also change the available items in JSF <f:selectItems> side as well. You really need to change the available items in JSF side. You can easily use the JSF 2.x ajax powers for this. Here’s a concrete kickoff example:

<h:form>
    <h:panelGrid columns="3">
        <h:selectManyListbox id="left" value="#{bean.leftSelected}">
            <f:selectItems value="#{bean.leftAvailable}" />
            <f:ajax event="dblclick" render="left right" listener="#{bean.leftToRight}" />
        </h:selectManyListbox>
        <h:panelGroup>
            <h:commandButton value="left to right">
                <f:ajax execute="left" render="left right" listener="#{bean.leftToRight}" />
            </h:commandButton>
            <br/>
            <h:commandButton value="right to left">
                <f:ajax execute="right" render="left right" listener="#{bean.rightToLeft}" />
            </h:commandButton>
        </h:panelGroup>
        <h:selectManyListbox id="right" value="#{bean.rightSelected}">
            <f:selectItems value="#{bean.rightAvailable}" />
            <f:ajax event="dblclick" render="left right" listener="#{bean.rightToLeft}" />
        </h:selectManyListbox>
    </h:panelGrid>
</h:form>

with

@Named
@ViewScoped
public class Bean {

    private List<String> leftSelected;
    private List<String> leftAvailable;
    private List<String> rightSelected;
    private List<String> rightAvailable;

    @PostConstruct
    public void init() {
        leftAvailable = new ArrayList<String>(Arrays.asList("one", "two", "three", "four", "five"));
        rightAvailable = new ArrayList<String>();
    }

    public void leftToRight() {
        leftAvailable.removeAll(leftSelected);
        rightAvailable.addAll(leftSelected);
        leftSelected = null;
    }

    public void rightToLeft() {
        rightAvailable.removeAll(rightSelected);
        leftAvailable.addAll(rightSelected);
        rightSelected = null;
    }

    // Add/generate getters+setters. Note: the "available" lists doesn't need setters.
}

That’s all. No JS/jQuery mess necessary. When using custom non-string objects don’t forget to provide a proper converter and equals() method.

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