WSRP in WLP 8.1.5 : portletStateChange and PortletStateChangeRequiredExcept

Hello BEA Experts,
I am currently working in a project for a main Telecom company in Greece and we are going to use WSRP technology in the End User Portal. We are using Weblogic portal 8.1.5 and we want to make our solution as cross-platformed as it can be. We are trying to create a demo using BEA portal as the consumer and Pluto with WSRP4J as the producer. We managed to fetch the welcome page of the remote portlet but in this page we want to have an http form with a submit button. When the user presses this button a new page will be displayed in the portlet.
You can imagine it like the following fragment.
<form action="hello.jsp" method="post">
<button type="submit" value="CLICK ME"/>
</form>
When we consume the portlet from Pluto everything works fine but with BEA Weblogic Portal we get the following exception
Error invoking portlet "WSRP4J Test1 Portlet"
The source of this error is:
com.bea.wsrp.faults.PortletStateChangeRequiredException: A portlet needs to modify its persistent state, but has been prevented from doing so.
     at com.bea.wsrp.proxy.ProxyBase.getFaultInstance(ProxyBase.java:591)
     at com.bea.wsrp.proxy.ProxyBase.raiseFault(ProxyBase.java:632)
     at com.bea.wsrp.proxy.ProxyBase.invoke(ProxyBase.java:439)
     at $Proxy12.performBlockingInteraction(Unknown Source)
     at com.bea.wsrp.consumer.controls.ProxyPortlet.invokePerformBlockingInteraction(ProxyPortlet.java:897)
     at com.bea.wsrp.consumer.controls.ProxyPortlet.handleEvent(ProxyPortlet.java:566)
     at com.bea.wsrp.consumer.controls.BlockingActionEvent$Manager.fireEvent(BlockingActionEvent.java:122)
     at com.bea.wsrp.consumer.controls.ProxyPortlet.raiseChangeEvents(ProxyPortlet.java:490)
     at com.bea.netuix.nf.ControlLifecycle$4.postVisitRoot(ControlLifecycle.java:298)
     at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.java:372)
     at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:126)
     at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:105)
     at com.bea.netuix.nf.Lifecycle.runInbound(Lifecycle.java:173)
     at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:137)
     at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:333)
     at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:196)
     at com.bea.netuix.servlets.manager.PortalServlet.doPost(PortalServlet.java:772)
     at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:150)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
     at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:293)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6987)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892)
     at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766)
     at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)
     at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)
After investigate it further I found that there is a difference in the performBlockingInteraction WSRP command sent from WSRP4J consumer and BEA Weblogic Portal consumer. In WSRP4J case the flag portletStateChange is readWrite and in the WLP case it is readOnly. Who can I manage this value in WLP? Could this value be the answer to my problem?
Thanks in Advance,
Kostas

You probably need to stream your portal to the database (create a
desktop) in the admin tools. This will allow the portlet to be modified.
Nate
Kostas Chaidos wrote:
Hello BEA Experts,
I am currently working in a project for a main Telecom company in Greece and we are going to use WSRP technology in the End User Portal. We are using Weblogic portal 8.1.5 and we want to make our solution as cross-platformed as it can be. We are trying to create a demo using BEA portal as the consumer and Pluto with WSRP4J as the producer. We managed to fetch the welcome page of the remote portlet but in this page we want to have an http form with a submit button. When the user presses this button a new page will be displayed in the portlet.
You can imagine it like the following fragment.
<form action="hello.jsp" method="post">
<button type="submit" value="CLICK ME"/>
</form>
When we consume the portlet from Pluto everything works fine but with BEA Weblogic Portal we get the following exception
Error invoking portlet "WSRP4J Test1 Portlet"
The source of this error is:
com.bea.wsrp.faults.PortletStateChangeRequiredException: A portlet needs to modify its persistent state, but has been prevented from doing so.
     at com.bea.wsrp.proxy.ProxyBase.getFaultInstance(ProxyBase.java:591)
     at com.bea.wsrp.proxy.ProxyBase.raiseFault(ProxyBase.java:632)
     at com.bea.wsrp.proxy.ProxyBase.invoke(ProxyBase.java:439)
     at $Proxy12.performBlockingInteraction(Unknown Source)
     at com.bea.wsrp.consumer.controls.ProxyPortlet.invokePerformBlockingInteraction(ProxyPortlet.java:897)
     at com.bea.wsrp.consumer.controls.ProxyPortlet.handleEvent(ProxyPortlet.java:566)
     at com.bea.wsrp.consumer.controls.BlockingActionEvent$Manager.fireEvent(BlockingActionEvent.java:122)
     at com.bea.wsrp.consumer.controls.ProxyPortlet.raiseChangeEvents(ProxyPortlet.java:490)
     at com.bea.netuix.nf.ControlLifecycle$4.postVisitRoot(ControlLifecycle.java:298)
     at com.bea.netuix.nf.ControlTreeWalker.walkRecursive(ControlTreeWalker.java:372)
     at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:126)
     at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:105)
     at com.bea.netuix.nf.Lifecycle.runInbound(Lifecycle.java:173)
     at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:137)
     at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:333)
     at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:196)
     at com.bea.netuix.servlets.manager.PortalServlet.doPost(PortalServlet.java:772)
     at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:150)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1072)
     at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
     at com.bea.p13n.servlets.PortalServletFilter.doFilter(PortalServletFilter.java:293)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6987)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3892)
     at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2766)
     at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:224)
     at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:183)
After investigate it further I found that there is a difference in the performBlockingInteraction WSRP command sent from WSRP4J consumer and BEA Weblogic Portal consumer. In WSRP4J case the flag portletStateChange is readWrite and in the WLP case it is readOnly. Who can I manage this value in WLP? Could this value be the answer to my problem?
Thanks in Advance,
Kostas

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Veljko Zivkovic wrote:
Hello Nathan,
Thanks for the reply.
The scenario we have is that some of the WSRP consumers of our WebLogic WSRP Complex Producer are not BEA consumers and they do not support SAML as authentication mechanism.
If we understood WSRP specification correctly, for each user session in "end user-consumer" communication scenario, WSRP consumer is in the background keeping N more session where N is the number of WSRP producers end user is accessing thru consumer. (Consumer is shielding end user from this complexity).
Q: What we need in ideal case is following: when end user authenticates on consumer in some way, and his session is created on consumer, we want producer to trust consumer that user is valid to do anything on producer since he has session, and we do not want producer to authenticate user again.
When user authenticates on consumer, consumer is then sending user id and session data to the producer, so producer knows trusted user is in question, and so on.
Using User Name Token Security is not a viable option, since we can not use two-way encrypted (reversible) method due to various reasons that are out of our control.
Can you just confirm if it is possible or not to do what I have described above in Q, to not use neither SAML not User token, but still be able to treat user as authenticated on producer, since he has valid session on consumer, and consumer is passing session id and user name to the producer.
Thanks in advance

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Mukta Shetye wrote:
Hi,
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With XI you save the entire integration knowledge of a collaborative process centrally in SAP XI: Objects at design time in the Integration Repository and objects at configuration time in the Integration Directory. In this way, SAP Exchange Infrastructure follows the principle of shared collaboration knowledge: You no longer need to search for information about a collaborative process in each of the systems involved, but can call this information centrally instead. This procedure considerably reduces the costs for the development and maintenance of the shared applications.
Also SAP XI comes with pre-configured solutions bundled along with it, so you can straight-away use the solution instead of redesigning.
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used for the Acem exampleportal. You can see the source code at
<wlcs-install-dir>/server/public_html/portals/repository.
Just for your information the application that
is already running is developed using EJBs and JSPs'.Some of the advantages that you will get by using WLPS include user/group
management and user/group/session/request properties that can be used in rules
to select customized content from a content management system.
Ture Hoefner
BEA Systems, Inc.
2590 Pearl St.
Suite 110
Boulder, CO 80302
www.bea.com

More on clean environment of wlp

i read the document
http://edocs.bea.com/wlp/docs40/deploygd/index.htm
and cannot find which chapter tell me how to
" describing how to deploy Portal components without using reference domains"
thanks

Terry,
Please read the following sections:
"Deploying Domains and Server Configurations" - describes how to configure
your own domain.
"Assembling Your Web Application" - outlines the steps to assemble the
portal webapp.
"Assembling and Deploying Enterprise Applications" - provides the details on
configuring the Enterprise portal and describes how to deploy individual
services.
Regards,
Mike
"terry" <[email protected]> wrote in message
news:[email protected]..
>
i read the document
http://edocs.bea.com/wlp/docs40/deploygd/index.htm
and cannot find which chapter tell me how to
" describing how to deploy Portal components without using referencedomains"
thanks

Local portlet (jsr 168) in separate webapp possible?

I have a running portal webapp with some portlets inside (from the tutorials).
Now I want to add a jsr 168 portet to the portal. The portlet is to be in a separate webapp. I already have it as a war file, if possible I would like to drop the import the war in the portal as a local portlet. Is this possible?
In pluto (running on tomcat) the portal webapp can "see" the local portlets in other webapps through the crossContext="true" setting for webapp contexts.
It is not possible for me to pack multiple portlets in a single webapp, since:
- if possible I would like to deploy already packed war files
- I use JSF (the required bridge to JSR-168 is already part of the webapp) which uses webapp-wide context-params and also faces-config.xml and other resources, making it impossible to mix multiple JSF portlets inside a single webapp.
Thanks in advance

No - this does not go through WSRP. WLP does bypass web services, SOAP,
HTTP etc when you are running in what is called a local proxy mode. This
mode is like a method call from the portal web app to your portlet web
app.
Subbu
Peter Mutsaers wrote:
You mean you have to go through WSRP, even in the local VM? Is there no way to have a truely local portlet (JSR-168 directly without WSRP) in another webapp when running in the same WLS instance?

Embedding Flex applications inside a portlet question

I'm trying to embed a Flex application within a Java portlet on my WLP 10.3.2 portal. I'm able to display the Flex app in the portlet but now I'm trying to access data. Does anyone know of any documents that cover how to access Flex data from a portlet and how to access portlet data from the embedded Flex application?
thanks

When you mentioned you integrated Flex App inside a Portlet, are you using like iFrame tag or Browser Portlet where in iFrame tag you specify the Flex app url like that. If so, then you will not be able to share any data/information between this iFrame portlet and the actual other real portlets.
If these Flex app has something like JSR based Flex portlets, then you can integrate them in WLP more easily. Another option is to consume these Flex Portlets as remote portlets using WSRP on WLP Side and the producer will be Flex Portal App (with flex portlets).
See if this link helps: http://livedocs.adobe.com/livecycle/es/sdkHelp/programmer/lcds/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=wsrp_1.html
Ravi Jegga

WSRP in WLP 8.1.5 : portletStateChange and PortletStateChangeRequiredExcept

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