Thanks Ate. I looked at the struts-config and noticed that the forward
didn't have redirect="true" so I added it but I didn't see any
difference. I then took a look at some of the other portlets and found
one with the same kind of action and did get the same error. It also did
not have redirect="true". Is there some other way that the
ActionForward gets redirect=true set?
The ClassCastException happens because Liferay has a parameter in the
original url of p_p_action="1" identifying the url ash an action. When
the url is reused I believe that parameter is still there. Liferay then
checks for that in LayoutAction to determine whether to do some stuff
related to actions and gets the ClassCastException because it is trying
to cast the RenderRequestImpl to an ActionRequestImpl. So I believe this
is a direct result of the Warning in StrutsPortlet.
Ralph
Ate Douma wrote:
Ralph, comments below.
Ralph Goers wrote:
I could really use some help debugging an issue with one of our
struts portlets. It is using V1.0 of the portlet bridge and it gets
errors in the logs when a drop-down is selected to change from one
month to another. I'm not a struts expert by any means (I've never
even built a struts app myself) and I could use some direction on
what I should be looking for. I've spent days looking at the
StrutsPortlet and related code and am no closer to figuring out how
the REDIRECT_URL or REDIRECT_PAGE_URL are supposed to be set or
whether something else should be happening.
FWIW, this is one of about 6 Struts apps using the struts bridge and
only this one exhibits this problem.
The two messages that are of concern are the WARN message from
StrutsPortlet
The WARN from StrutsPortlet is logged when an StrutsAction, invoked
from a processAction does *not* send a redirect at the end.
See for further information:
http://portals.apache.org/bridges/multiproject/portals-bridges-struts/features.html#Handling_ActionRequests
You should look at the returned ActionForward from this StrutsAction
call, that one needs to have redirect=true configured.
It might be helpful if you can provide the struts-config.xml, maybe I
can give a more specific advise then.
and the ClassCastException in Liferay's LayoutAction. I've run that
under the debugger and the code that is being run there expects an
ActionRequestImpl, not a RenderRequestImpl.
From the logging I can't make anything from this, and I don't know
Liferay myself.
Regards,
Ate
2007-12-20 16:08:38,822 DEBUG
[org.apache.portals.bridges.struts.StrutsPortlet] process path:
/portlet_action/HBNPortlet/spendingReport, requestType: VIEW
2007-12-20 16:08:39,107 DEBUG
[org.apache.portals.bridges.struts.PortletServletRequestDispatcher]
invoking dispatch to :/html/spendingReport.jsp, from VIEW null
2007-12-20 16:09:49,569 DEBUG
[org.apache.portals.bridges.struts.StrutsPortlet] process path:
/portlet_action/HBNPortlet/spendingReport, requestType: ACTION
2007-12-20 16:09:49,891 DEBUG
[org.apache.portals.bridges.struts.PortletServletRequestDispatcher]
saving dispatch to :/html/spendingReport.jsp, from ACTION
/portlet_action/HBNPortlet/spendingReport
2007-12-20 16:09:49,894 WARN
[org.apache.portals.bridges.struts.StrutsPortlet] Warning: Using the
original action URL for render URL:
/portlet_action/HBNPortlet/spendingReport.
A redirect should have been issued.
2007-12-20 16:09:49,959 DEBUG
[org.apache.portals.bridges.struts.StrutsPortlet] process path:
/portlet_action/HBNPortlet/spendingReport, requestType: VIEW
2007-12-20 16:09:49,960 DEBUG
[org.apache.portals.bridges.struts.PortletServlet] render context
path: /html/spendingReport.jsp
2007-12-20 16:09:49,961 DEBUG
[org.apache.portals.bridges.struts.PortletServlet] Putting form
org.apache.struts.validator.DynaValidatorForm into request as for
mapping yearMonthForm
2007-12-20 16:09:49,961 DEBUG
[org.apache.portals.bridges.struts.PortletServletRequestDispatcher]
invoking dispatch to :/html/spendingReport.jsp, from VIEW
/portlet_action/HBNPortlet/spendingReport
2007-12-20 16:09:50,007 ERROR
[com.liferay.portal.action.LayoutAction]
java.lang.ClassCastException: com.liferay.portlet.RenderRequestImpl
2007-12-20 16:09:50,007 ERROR
[com.liferay.portal.action.LayoutAction]
java.lang.ClassCastException: com.liferay.portlet.RenderResponseImpl
Ralph
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