Cross Web Applications Communication in Portal

does anybody knows how multiple web apps communicate in Portal? How are data exchanged?
is there a global session or something like this?
thanks and best regards
carlo

Viren,
I guess you must choose the required version of BEx Web: SAP BW 2.x/3.x or SAP NetWeaver BI (valid for SAP NetWeaver 2004s and higher). Please try by checking the SAP NetWeaver BI for Iviews
Ramana

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hi experts,
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Diagnosis
An error occurred in the BI components on the SAP J2EE Engine.
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Procedure
Contact your system administrator to have the error analyzed in detail.
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should be simple...
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Sorry i don't understand your second question...
[email protected] (Daniel Chau) wrote:
I need some information or pointers (even better) and answers to 2
questions
1. I have a web app using jsps and servlets. If I want to integrate
this app to a portal, what is the right approach? (considering the
fact that the app have a lot of jsp)
Assuming portlet is the way to go; how should I merge the user
interface of my existing app to the portlet?
2. Is web services only provided data, but not including any kind of
format information e.g. html tags?
thank you
-Daniel Chau

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Publishing BI Applications to Portal Roles (Deleted)
Technical Data
Function Is
Deleted
In Release
Software Component
●      Component: SAP NetWeaver
●      Release: 2004s
Assignment to Application Component
BW-BEX-ET End-user technology
Country Setting
Valid for all countries
Use
The function for publishing queries from the BEx Query Designer and Web applications from the BEx Web Application Designer directly to a portal role was deleted.
Instead you can publish queries and Web applications to the portal as follows:
●      You can publish queries from the BEx Query Designer and Web applications from the BEx Web Application Designer to the Portal Content Directory (PCD) as iViews.
The iView only becomes visible to a user in the portal when the system administrator has assigned the iView to a portal role or a portal page that is contained in a portal role. This assignment takes place in the Portal Content Studio.
More information: Publishing Queries, Web Applications and Reports
●      You can publish Web applications to the portal using the Portal Content Studio.
More information: Integration Using the Portal Content Studio.
●      You can publish Web applications to the portal using a role upload.
More information: Integration Using Role Upload
Effects on the Data Transfer
Existing iViews are not affected by this change.

Web Application Designer -Unknown Error Occured during Portal Communication

we are getting the below error while using the Web Application Designer .
"Unknown Error Occured during Portal Communication"
Vesrion
SAPBW 700 SP14 on ABAP & SP12 on JAVA.
Found the below error in the default trace
Error 1
Exception thrown Fri Aug 15 11:29:15,070:Exception thrown by application running in JCo Server
java.lang.RuntimeException: Bean RSWR_PREEXECUTION_PROXYnot found on host smy14sap99, ProgId =SMY14SAP99_PORTAL_BD1: Object not found in lookup of RSWR_PREEXECUTION_PROXY.
Error 2
Error> occured >Fri Aug 15 11:29:12,413<
RfcException:
message: 'ashost' is missing
Return code: RFC_INVALID_PARAMETER(19)
error group: 101
key: RFC_ERROR_PROGRAM

Hello,
Have a look at these Notes
SAP Note 988484 RC=12 in after import method for objects BTMP and BITM
SAP Note 916090 RFC-error messages in Web Application Designer 2004s
Thanks
Chandran

To use Web Application Designer release 2004s do we need to have portals???

Hi
I would like some clarity regarding whther we need a portal or not.
If you use Web Application Designer (SAP BW 3.x) it works fine, you can create reports and then it shows in SAP Easy Access under favourites. Executes fine, no portal is used.
Now when I want to use the new Web Application Designer I can not execute the reports. Gives me error
"Java communication error: RFC destination NOT_CONFIGURED does not exist", the window it appears in has a text saying it can't conect to the portal. Then notes that I look at regarding this seems that the connection between SAP BW and Portal must be set up.
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Thanks in advance

YOu neeed BI Java configured
If you do not use any new BEx Web functions, do you have to install the usage types BI Java and EP?
answer -SAP EP 6.0 Portals could be integrated into a federated portal system landscape using URL iViews.
For more insights - FAQ
Pls read carefuly should answer all your current and future questions.
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/43008b6a-0901-0010-90af-c848d878bac3?rid=/library/uuid/a5067965-0901-0010-6f8a-bbf0b7424283
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/webcontent/uuid/43008b6a-0901-0010-90af-c848d878bac3?rid=/library/uuid/cea68c65-0901-0010-f5a4-fd34189d8078
Hope it Helps
Chetan
@CP..

Communication between separate ADF Web Applications

Using 11.1.1.5 of JDeveloper I have two Fusion Web Applications that each have a single "view" task flow. Those task flows will be dropped into regions within a WebCenter Portal application so they behave like portlets. I'd like to have a value from one app passed to the other app and have the second app respond to the change. It seems like it should take about 10 minutes but so far... two weeks without any progress. I'm incredibly frustrated. Does anyone have a simple list of the steps I need to perform to pass parameters between task flows? Please help! All I'm looking for is step 1: set up this, step 2: set up that. I can't believe it's this hard.
All of the samples I find on line are about inter portlet communication with JSR 286 portlets, WSRP portlet producers or inter-component communication. I've read this too: http://www.oracle.com/technetwork/issue-archive/2011/11-may/o31adf-352561.html but I haven't been working with JDev and WebCenter for 5 years so it simply doesn't make sense. For example, one piece of sample code looks like this
public void handleEventStringPayload(String customPayLoad) {
FacesContext fctx = FacesContext.getCurrentInstance();
ELContext elctx = fctx.getELContext();
ExpressionFactory exprFactory =
fctx.getApplication().getExpressionFactory();
ValueExpression ve =
exprFactory.createValueExpression(elctx, "#{backingBeanScope.mirrorPageBean}",
Object.class);
MirrorPageBean mirrorPageBean = (MirrorPageBean)ve.getValue(elctx);
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AdfFacesContext adfFacesContext = AdfFacesContext.getCurrentInstance();
adfFacesContext.getCurrentInstance().addPartialTarget(mirrorPageBean.getMirrorTextField());
Pretend I don't know the nine layers of technology involved here. Why in the world do I need all of this stuff in this order just to set a parameter... or is that NOT what this is doing? Why are they doing addPartialTarget? What does that do? Why do they have an EventObjectHandler and an EventStringHandler? The article is clearly written for an experienced WebCenter developer and that simply isn't me. If anyone has a resource that shows me how to pass parameters between web apps that actually explains the steps needed and why they need to be taken, that would be great.
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Hi!.
To communicate two regions (ADF Task Flows) in a WebCenter Portal Page you have "Contextual Events Framework".
You can learn it following this Blog entries:
http://technology.amis.nl/blog/3365/adf-11g-how-events-in-one-region-cause-other-regions-to-refresh
http://andrejusb.blogspot.com/2010/10/contextual-events-framework-and-adf-11g.html
http://www.oracle.com/technetwork/issue-archive/2011/11-may/o31adf-352561.html
Video: http://www.youtube.com/watch?v=XIVom59Kq2U
In addition, you can communicate two regions without Contextual Events following this entry:
http://andrejusb.blogspot.com/2010/04/communicating-between-adf-regions.html
Regards!
Edited by: Daniel Merchán on 22-feb-2012 22:15
Edited by: Daniel Merchán on 22-feb-2012 22:18

BEX Web application Designer displaying Java Communication Error

Hi,
When we are using the BEX Web application Designer to create new web template, it throws error saying "Java Communication Error: An UnKnown Error Occured During Portal Communication."
====================================================
Diagnosis
An error occurred during communication with the BI components on the SAP J2EE Engine.
System Response
Procedure
Contact your system administrator to have the error analyzed in detail.
====================================================
Kindly help to resolve this issue.
Regards, Krish

Hi,
Please check below document for connection between BI and Portal
https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/d082fe32-5037-2b10-3288-fd009f695c74
You might be doing something wrong in any of these steps.
Regards,
Kams

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