Multiple instances of the same bridge application behave badly due to ID
conflicts
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Key: PB-35
URL: http://issues.apache.org/jira/browse/PB-35
Project: Portals Bridges
Type: Bug
Components: jsf
Environment: Tested in Liferay
Reporter: russ danner
I am using the myFaces implementation of JSF in conjunction with the Apache
portal bridge.
I have no issue when I use the portlet as a single instance. All is beautiful.
When I make the portlet multi-instance the eorld comes tumbling down. All the
javascript and component ID's are the same.
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I know myfaces looks to the external context to call help create a unique id
for the components which should call response.namespace();
You can see in the HTML output of the lifray install that unqiue names are
being generated for the each portlet (both the same "flavor")
portlet [EMAIL PROTECTED] namespace
response[_contentRepositoryBrowser-wide_WAR_contentRepositoryBrowser_INSTANCE_Ju5n_]
portlet [EMAIL PROTECTED] namespace
response[_contentRepositoryBrowser-wide_WAR_contentRepositoryBrowser_INSTANCE_1cKB_]
I know myFaces makes the following call on create unique Id:
public String createUniqueId()
{
ExternalContext extCtx =
FacesContext.getCurrentInstance().getExternalContext();
return extCtx.encodeNamespace(UNIQUE_ID_PREFIX + _uniqueIdCounter++);
}
which in the end should pickup the names given by
RenderResponse.getNamespace(), yet that is no where in the HTML output.
As far as I can tell this is because the external context implementation
provided with the apache jsf portlet bridge does the following:
/**
* @see
javax.faces.context.ExternalContext#encodeNamespace(java.lang.String)
*/
public String encodeNamespace(String s)
{
return s;
}
according to the documentation for ExternalContext.encodeNamespace(..)
Return the specified name, after prefixing it with a namespace that ensures
that it will be unique within the context of a particular page.
Servlet: The input value must be returned unchanged.
Portlet: The returned value must be the input value prefixed by the value
returned by the javax.portlet.RenderResponse method getNamespace().
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