MyFacesGenericPortlet is causing multiple instances of PhaseListeners to be
created
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Key: MYFACES-1671
URL: https://issues.apache.org/jira/browse/MYFACES-1671
Project: MyFaces Core
Issue Type: Bug
Components: Portlet_Support
Affects Versions: 1.1.4
Environment: WinXP / Liferay 4.3.0 / Tomcat 6.0.13 / Seam 1.2.1GA
Reporter: Neil Griffin
As described in this issue:
http://jira.jboss.com/jira/browse/JBSEAM-1556
When running in a portlet environment and using MyFaces, JSF PhaseListeners get
registered TWICE, due to the way MyFaces initializes itself:
1. MyFaces has a StartupServletContextListener that initializes the JSF
framework (the first time).
2. The MyFacesGenericPortlet.initMyFaces() method initializes the JSF framework
(a second time).
In order to fix this, the MyFacesGenericPortlet must do a better job at
determining whether or not the JSF framework has been initialized. There is no
need to add the PhaseListeners to the Lifecycle a second time. And in the case
of Seam, this can actually cause a problem, because there can be only one Seam
phase listener active (that extends Seam's AbstractSeamPhaseListener) at any
given time. In the case of other portlet phase listeners (like FileUpload ones
that parse mutlipart-formdata), uploaded files would get saved twice, I would
imagine.
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