<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%;">
                <tr valign="top">
                    <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_USvizstt/782/58/_/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%;">
    <tr valign="top">
        <td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
                                        <img id="email-avatar" src="https://community.jboss.org/people/aogier/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="aogier" id="email_aogier" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=aogier" style="color:#003366;">Anthony O.</a>
     created <img src="https://issues.jboss.org/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#003366;text-decoration:none;' href='https://issues.jboss.org/browse/WELD-1218'>WELD-1218</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/WELD-1218'><strong>Can&#39;t call externalContext.redirect with a cid inside</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>
                <td>
                    <table border="0" cellpadding="0" cellspacing="0" width="100%">
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        <strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
    </td>
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                <img src="https://issues.jboss.org/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug">        Bug
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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>
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    <td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
                    1.1.8.Final,                     1.1.5.Final            </td>
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        <strong style="font-weight:normal;color:#505050;">Assignee:</strong>
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                    Unassigned            </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%;">
        24/Sep/12 11:21 AM
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        <strong style="font-weight:normal;color:#505050;">Description:</strong>
    </td>
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        <p style='margin-top:0;margin-bottom:10px;'>In my application, I need to redirect to another conversation.</p>

<p style='margin-top:0;margin-bottom:10px;'>So I do that :</p>
<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent">
<pre class="code-java">@Inject
<span class="code-keyword">private</span> HttpConversationContext conversationContext;

<span class="code-keyword">public</span> void redirect() <span class="code-keyword">throws</span> IOException {
        <span class="code-keyword">final</span> ExternalContext externalContext = FacesContext.getCurrentInstance().getExternalContext();
        <span class="code-keyword">final</span> Map&lt;<span class="code-object">String</span>, List&lt;<span class="code-object">String</span>&gt;&gt; parameters = <span class="code-keyword">new</span> HashMap&lt;<span class="code-object">String</span>, List&lt;<span class="code-object">String</span>&gt;&gt;();
        <span class="code-keyword">final</span> <span class="code-object">String</span> conversationId = getConversationId();
        <span class="code-keyword">if</span> (conversationId != <span class="code-keyword">null</span>) {
                parameters.put(conversationContext.getParameterName(), Arrays.asList(conversationId));
        }
        <span class="code-comment">//... put other parameters in the map
</span>        externalContext.redirect(externalContext.encodeRedirectURL(externalContext.getRequestContextPath()+getViewId(), parameters));
}</pre>
</div></div>

<p style='margin-top:0;margin-bottom:10px;'>(<tt>getConversationId()</tt> &amp; <tt>getViewId()</tt> returns the cid number of the conversation I want to redirect to, and the faces viewId of my target page)</p>

<p style='margin-top:0;margin-bottom:10px;'>If I am in the conversation 2 &amp; I want to redirect to conversation 1, here is the String passed to <tt>externalContext.redirect</tt> : "<tt>/mypage.xhtml?cid=1&amp;otherparam=value</tt>"</p>

<p style='margin-top:0;margin-bottom:10px;'>The problem is that my browser is finally redirected to : "<tt>/mypage.xhtml?cid=2&amp;cid=1&amp;otherparam=value</tt>" !</p>

<p style='margin-top:0;margin-bottom:10px;'>I think that the problem comes from <tt>ConversationPropagationFilter.java:78</tt> : in the <tt>FacesUrlTransformer</tt>, there is no check if in the http parameters, cid has already been specified or not.</p>
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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/WELD">Weld</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;">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>
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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;">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="aogier" id="email_aogier" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=aogier" style="color:#003366;">Anthony O.</a>
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            </table>
        </td><!-- End #email-page -->
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</table><!-- End #email-wrap -->
</div><!-- End #email-body -->