<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
    #email-body { min-width: 30em !important; }
    #email-page { padding: 8px !important; }
    #email-banner { padding: 8px 8px 0 8px !important; }
    #email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
    #email-fields { padding: 0 8px 8px 8px !important; }
    #email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
    <tr valign="top">
        <td id="email-page" style="padding:16px !important;">
            <table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
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                    <td bgcolor="#3b4d64" style="background-color:#3b4d64;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://issues.jboss.org/s/en_US-g3yjjf/733/58/_/jira-logo-scaled.png" alt="" style="vertical-align:top;" /></td>
                </tr><tr valign="top">
    <td id="email-banner" style="padding:32px 32px 0 32px;">
        
                
        
        
            <table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
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                                        <img id="email-avatar" src="https://community.jboss.org/people/christophe2/avatar/16.png" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
                        <div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
                                    <a class="user-hover" rel="christophe2" id="email_christophe2" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=christophe2" style="color:#003366;">Christophe Roussy</a>
     created <img src="https://issues.jboss.org/images/icons/health.gif" height="16" width="16" border="0" align="absmiddle" alt="Enhancement"> <a style='color:#003366;text-decoration:none;' href='https://issues.jboss.org/browse/RF-12343'>RF-12343</a>
            </div>
                        <div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
                <a style='color:#003366;text-decoration:none;' href='https://issues.jboss.org/browse/RF-12343'><strong>Problem when saving form with rich picklist inside composite component</strong></a>
            </div>
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    </tr>
</table>
    </td>
</tr>
<tr valign="top">
    <td id="email-fields" style="padding:0 32px 32px 32px;">
        <table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
            <tr valign="top">
                <td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
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                    <table border="0" cellpadding="0" cellspacing="0" width="100%">
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        <strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                <img src="https://issues.jboss.org/images/icons/health.gif" height="16" width="16" border="0" align="absmiddle" alt="Enhancement">        Enhancement
    </td>
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    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    4.2.2.Final            </td>
</tr>
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        <strong style="font-weight:normal;color:#505050;">Assignee:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    Unassigned            </td>
</tr>                                                <tr valign="top">
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Components:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    component-selects            </td>
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        <strong style="font-weight:normal;color:#505050;">Created:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        25/Jun/12 9:13 AM
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        <strong style="font-weight:normal;color:#505050;">Description:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        <p style='margin-top:0;margin-bottom:10px;'>I have trouble passing a list to a rich picklist value which is located inside a composite component, my value is an ArrayList.<br/>
My bean is in viewscope.</p>

<p style='margin-top:0;margin-bottom:10px;'>The problem occurs while submitting the form:</p>

<p style='margin-top:0;margin-bottom:10px;'>javax.faces.FacesException: ModelType (class java.lang.Object) must be either an Array, or a Collection</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.richfaces.renderkit.SelectManyHelper.getConvertedValue(SelectManyHelper.java:332)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.richfaces.renderkit.SelectManyRendererBase.getConvertedValue(SelectManyRendererBase.java:108)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1030)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIInput.validate(UIInput.java:960)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIInput.executeValidate(UIInput.java:1233)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIInput.processValidators(UIInput.java:698)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIForm.processValidators(UIForm.java:253)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1172)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:145)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:137)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:301)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:162)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)</p>

<p style='margin-top:0;margin-bottom:10px;'>    at java.lang.Thread.run(Thread.java:662)</p>

<p style='margin-top:0;margin-bottom:10px;'>Sample code:</p>

<p style='margin-top:0;margin-bottom:10px;'>...</p>

<p style='margin-top:0;margin-bottom:10px;'>&lt;composite:attribute name="beanAndValue" /&gt;</p>

<p style='margin-top:0;margin-bottom:10px;'>...</p>

<p style='margin-top:0;margin-bottom:10px;'>&lt;rich:pickList value="#{cc.attrs.beanAndValue}" ...<br/>
<br/>
I tried adding a type java.util.Collection, or java.util.List, but this had no effect.<br/>
<br/>
Note that it works when the picklist is outside of the composite component.<br/>
<br/>
It also works with an h:selectOneMenu works with similar code:<br/>
<br/>
I have NO trouble passing a list to the value of h:selectOneMenu !<br/>
<br/>
...<br/>
<br/>
&lt;composite:attribute name="beanAndValue" /&gt;<br/>
<br/>
...<br/>
<br/>
&lt;h:selectOneMenu value="#{cc.attrs.beanAndValue}" ...</p>

<p style='margin-top:0;margin-bottom:10px;'>As this works outside the composite component and with similar components (selectOneMenu), I assume that the rich:pickList is not easy to integrate with composite components for some type issue, maybe the type gets lost and the picklist is very strict about it ?</p>

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        <strong style="font-weight:normal;color:#505050;">Environment:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        Windows, FireFox13.0.1, Tomcat7.0.26, JSF2.1.7
    </td>
</tr>
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    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Project:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        <a style="color:#003366;" href="https://issues.jboss.org/browse/RF">RichFaces</a>
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    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Labels:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    pickList
                    composite_component
            </td>
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        <strong style="font-weight:normal;color:#505050;">Priority:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                <img src="https://issues.jboss.org/images/icons/priority_major.gif" height="16" width="16" border="0" align="absmiddle" alt="Major">        Major
    </td>
</tr>                        <tr valign="top">
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        <strong style="font-weight:normal;color:#505050;">Reporter:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                                        <a class="user-hover" rel="christophe2" id="email_christophe2" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=christophe2" style="color:#003366;">Christophe Roussy</a>
                </td>
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    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
        <strong style="font-weight:normal;color:#505050;">Security Level:</strong>
    </td>
    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
        Public (Everyone can see)     </td>
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