Problem in InterPortlet Communication

hello
I read about the WebLogic Portal IPC(Inter Portlet Comm) Model. I tried to develop the sample IPC portlets in WebLogic Portal SP4, i faced some problems.
In the event handler dialog box, under the event actions list only thsese ver listed
change window mode
change window state
activate page
fire generic event
fire custom event
There was no "Invoke backingfile method" event listed.
Has any1 suceesfully implemented IPC ??
Thnks,
Chhimi

Prashant S wrote:
UPS NAME:--> Smart-UPS RT 2000 RM XL
i need all events
and bad msg.
here is the attachment of that particular MIB. extension change MIB to xls.pls after downloading this file change it into MIB.
Can i get all traps including generic Trap.
Can u send me updated trap vi.
also can u tell me that how can i import the MIB file .
there is any Particular vi for this operation.
Prashan! You do realize that Mark has put up his SNMP library up for free use? If this library was part of the Internet Toolkit or some other NI Toolkit it would not be free, nowadays most likely password protected at least on library level, and you could at best put in an feature request and hope it is added in a few years.
If I was Mark I would feel your request to him to change it to suit your specific requirements all for free to be rather rude. Read the specs, understand how network communication works and make the few modifications to his library yourself! And then post the improvements so that others can benefit too! Once you have done that you will be able to make even more changes and also have improved your knowledge to be an even better engineer.
Rolf Kalbermatter
CIT Engineering Netherlands
a division of Test & Measurement Solutions

Similar Messages

Interportlet Communication Issue - Help!!

We are in the process of converting our site to 8.1 and have bumped into a problem
with the interportlet communication. We have two portlets on a page that need
to listen to each other (a Shopping Cart portlet and a Shopping Content portlet).
We have specified on each portlet that it listen to the other and while that
does fire the corresponding action on both portlets, it always fires portlet A
before portlet B, even when we take an action on portlet B.
It seems strange to me that in a listening portlet situation, it will always fire
one before the other, regardless of where the action was taken.
Any help that can be provided would be greatly appreciated!
Thanks.

Hi Paul,
I had issues with the inter-portlet communication also. From my understanding
both portlets are listening to the same outer request. For example in the begin
action method of Portlet_2 I have:
HttpServletRequest outerrequest = ScopedServletUtils.getOuterRequest(getRequest());
String param1 = outerrequest.getParameter("param1");
if (param1.equals("some_value"))
// do something
In the JSP of my portlet_1 I have the following:
<% HttpServletRequest outerrequest =
ScopedServletUtils.getOuterRequest(request);
String actionURLB = outerrequest.getRequestURI() + "?";
%>
<a href="<%=actionURLB%>param1=1 ">Do First</a>
<a href="<%=actionURLB%>param1=2 ">Do Second</a>
I don't have the Portlet_1 listening to the outer request. You may want to also
look at the example in the examples provided from BEA which kind of helped me.
However, I had problems incorporating their code that they provided even though
they work well in the BEA examples.
Mansoor
"Paul Merrigan" <[email protected]> wrote:
>
We are in the process of converting our site to 8.1 and have bumped into
a problem
with the interportlet communication. We have two portlets on a page
that need
to listen to each other (a Shopping Cart portlet and a Shopping Content
portlet).
We have specified on each portlet that it listen to the other and while
that
does fire the corresponding action on both portlets, it always fires
portlet A
before portlet B, even when we take an action on portlet B.
It seems strange to me that in a listening portlet situation, it will
always fire
one before the other, regardless of where the action was taken.
Any help that can be provided would be greatly appreciated!
Thanks.

How to do interportlet communication in JSR 286 Portlet

HI,
We are using webcentre portlet producer appliaction and creating JSr 286 portlets. Using Jdeveloper 11.1.8.1 .
Now we have two portlets one is search and another is search result.
After the seacrh is clicked DAO should get called and search result should get refreshed with the search result.
PLease let me know how can we do this ?
Thanx in Advance.

Hi ,
You can refer below links to achieve interportlet communication.
Inter Portlet Communication with ADF portlets | Yannick Ongena's WebCenter And Enterprise 2.0 Blog
https://www.youtube.com/watch?v=NI2Zy6gRfF4
Thanks

Interportlet Communication

Hi,
Have a query with regards to the following.
Appreciate if anyone could advise or correct my understanding:
For the current project implementation, there are the following portlets from various vendors, using various implementations:
1) A main portal, with a login portlet implemented using BEA workshop (BeeHive Apache NETUI)
2) a shopping portlet (product A) implemented using MVC
3) a checkout portlet (product B) implemented using JSR 168
A typical user process will be to login, shop and checkout as in the above order.
The 3 portlets above will need to communicate with each other.
(a) Interportlet communication
BEA allows these methods:
(i) event handlers
(ii) backing files
(iii) refresh?
Question 1: Are the above methods vendor-specific to BEA only?
Note: Assume all 3 portlets are deployed locally, i.e. with not as remote portlets.
Question 2: If yes, how can the login portlet "talk" to the other 2 portlets?
Given that checkout portlet is implemented using JSR 168, does this mean portlet session is the only way of sharing information?
Question 3: Can event handlers be used for IPC for this scenario, since its the most recommended way by BEA to implement this.
Understand event handlers are defined in .portlet file. Is this correct?
Question 4: Can both shopping and checkout portlet be "imported" to Workshop for development?
Will both of them have .portlet file? If yes, then I would think event handler method can be used?
Appreciate any advice or feedback.
Thanks.

BEA Weblogic Portal 9/10 i m using....
I have wriiten the code to hide the page using PageBackingContext....
PageBackingContext pbc = PageBackingContext.getPageBackingContext(getRequest());
pbc.setvisible(false);

Interportlet communication using JSR 168

Hi All
We are using JSR 168 portlets . My requirement is invoke the method of Portlet B on some event of Portlet A.
I need help on the implementation of Interportlet communication using JSR 168
Thanks

Hi,
Go through the below two discussions
Interportlet communication using JSR 168
Re: JSR 168 Portlets -- IPC with Custom Events
Thanks,
Venkat Sarvabatla

From all the problems in the community, I think I will stay with Lion OS, LOL.

From all the problems in the community with Mountain Lion, I think I'll stay with Lion. The upgrade just doen't seem worth the hassle!

This is the Emergency Room of Apple-land. If aliens landed on Earth to invade and first visited an ER in a hospital, they would leave and expect humanity to be extinct with a week.
Many many many people have not reported success with ML because they are busy using it.

Problem with socket communications

I am trying to put together a client server socket communication pair.
I have one application that runs in the background acting as a server and another that can be started and stopped that acts as a client.
I can start the server and create a server socket with no problem.
I can start the client and it connects to the server.
The server acknowledges the connection and appears to go into a blocking state waiting for the client to send another message.
The server blocks at the line
parent.logit("Waiting for message from EVR..... ");
The problem is that when the client sends another message, the server doesn't hear it.
I am not sure if the problem is with the client or server communication code.
If anyone out there is a socket communication guru, I would appreciate it if you could tell me what I am doing wrong.
Thanks
Server code:
import java.io.*;
import java.net.*;
public class EVRServer
    extends Thread
EVRDataLoader parent = null;
ServerSocket serverSock = null;
Socket clientSock = null;
BufferedReader reader = null;
BufferedWriter writer = null;
int evrPort = 0;
int retryLimit = 10;
int retryCount = 0;
boolean alive = false;
boolean killSocket = false;
boolean evrConnected = false;
boolean retry = true;
EVRListener evrListener = null;
//=============================================================================
// Full constructor
//=============================================================================
   * Full constructor.
   * @param dl DataLoader - Parent application
   * @param port int Socket port
public EVRServer(EVRDataLoader dl, int port)
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//=============================================================================
// Run method - Main thread executed by start() method
//=============================================================================
   * Main thread executed by start() method
public void run()
    while (retry)
      if (retryCount > retryLimit)
        retry = false;
      parent.logit("Retry count = " + retryCount);
      // Create new server socket connection
      if (serverSock == null)
        try
          serverSock = new ServerSocket(evrPort);
          parent.logit("Created Server Socket for EVR on port " + evrPort);
          alive = true;
          killSocket = false;
          evrConnected = false;
        catch (Exception e)
          parent.logit(
              "ERROR - Could not create Server socket connection for EVR: " +
              e.toString());
          killSocket = true;
          alive = false;
      // Create new client socket connection
      if (clientSock == null)
        try
          parent.logit("Waiting for EVR to connect");
          clientSock = null;
          clientSock = serverSock.accept();
          retryCount = 0;
          evrConnected = true;
          killSocket = false;
          parent.logit("EVR connected on server Socket Port " + evrPort);
        catch (Exception e)
          parent.logit("ERROR - Error accepting EVR connection: " + e.toString());
          killSocket = true;
        try
          reader = new BufferedReader(new InputStreamReader(
              clientSock.getInputStream()));
          writer = new BufferedWriter(new OutputStreamWriter(
              clientSock.getOutputStream()));
          parent.logit( "Created reader "+reader);
          parent.logit( "Created writer "+writer);
        catch (Exception e)
          parent.logit(
              "ERROR - creating reader or writer to EVR: " + e.toString());
          killSocket = true;
      int nullCount = 0;
      while (killSocket == false)
        try
          parent.logit("Waiting for message from EVR..... ");
//          sendMessage("Data Controller connected on port " + evrPort);
          String s = reader.readLine();
          parent.logit("EVR - Received message: " + s);
          if (s != null)
            parent.processEvrMessage( s);
          else
            sleep(1000);
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              parent.logit("Exceeded retry limit: ");
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        clientSock.close();
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          sleep(1000);
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          parent.logit("Error after sleep " + ee.toString());
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        parent.logit("Error closing EVR server socket");
//=============================================================================
// Call this method to kill the client socket connection.
//=============================================================================
   * Call this method to kill the client socket connection.
public void killConnection()
    killSocket = true;
//=============================================================================
// Return RTM connected state
//=============================================================================
   * Return RTM connected state
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public boolean isRtmConnected()
    return evrConnected;
//=============================================================================
// Returns state of server socket.
//=============================================================================
   * Returns state of server socket.
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public boolean isServerSocketAlive()
    return alive;
//=============================================================================
// Send a message to the client socket.
//=============================================================================
     * Send a message to the client socket.
     * @param msg String - Message to send.
     * @return boolean - Returns true if message sent OK, false if not.
public boolean sendMessage(String msg)
    parent.logit(" In EVR Server - Send Message - got message: " + msg);
    if (evrConnected)
      try
        parent.logit("Sending message to EVR: " + msg);
        writer.write(msg + "\n");
        writer.flush();
        return true;
      catch (Exception e)
        parent.logit("ERROR - Error sending message to EVR: " + e.toString());
        return false;
    else
      parent.logit("EVR not connected, cannot send message: " + msg);
      return false;
}Client code:
package evrsimulator;
import java.net.*;
import java.io.*;
class PortConnector
      extends Thread
   ServerSocket serverSock = null;
   boolean isIP = false;
   InetAddress addr = null;
   Frame1 parent = null;
   byte[] rawIP;
    //   String initialMsg = "";
   public PortConnector( Frame1 f )
     parent = f;
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   public void run()
      if ( parent.hostName.indexOf( "." ) > 0 )
         isIP = true;
         byte[] rawIP = parent.getRawIP( parent.hostName );
      try
         System.out.println( "Connecting to host " +
                                        parent.hostName + " on port " +
                                        parent.socketPort );
         if ( isIP )
            addr = InetAddress.getByAddress( rawIP );
         else
            addr = InetAddress.getByName( parent.hostName );
         System.out.println( "Inet address = " + addr );
         SocketAddress sockaddr =
               new InetSocketAddress( addr, parent.socketPort );
         // Create an unbound socket
         parent.client = new Socket();
         // This method will block no more than timeoutMs.
         // If the timeout occurs, SocketTimeoutException is thrown.
         parent.client.connect( sockaddr, parent.socketTimeOut );
         parent.socketOut =
               new BufferedWriter( new OutputStreamWriter(
               parent.client.getOutputStream() ) );
         parent.socketIn = new BufferedReader( new InputStreamReader(
               parent.client.getInputStream() ) );
         parent.localName = parent.localName +
               parent.client;
         System.out.println( "Parent socketOut = "+parent.socketOut);
         System.out.println( "Parent socketIn = "+parent.socketIn);
      catch ( UnknownHostException uhe )
         System.out.println( "Unknown Host - " + uhe.getMessage() );
      catch ( SocketTimeoutException ste )
         System.out.println( "Socket time out - " + ste.getMessage());
      catch ( IOException ioe )
         System.out.println( "IO exception - " + ioe.getMessage() );
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      parent.portConnected = true;
      while ( parent.portConnected )
         try
            String msg = parent.socketIn.readLine();
            System.out.println( "Message from Host: " + msg );
            System.out.println( "Message from Host: |" + msg + "|" );
            if( msg.length() > 2)parent.processMessage( msg );
         catch ( IOException ioe )
            System.out.println( "Exception creating server socket." );
      try
         System.out.println(
               "PortConnection - Closing socket and IO connections" );
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         parent.socketOut.close();
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         if( parent.heartBeating) heartBeat.interrupt();
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         System.out.println( "Exception closing socket." );
}

Your first problem is that you keep closing and recreating the ServerSocket. Do this once only in the lifetime of the server.
This is such a basic error that I haven't read the rest of the code. Before you go any further I suggest you read the Custom Networking trail of the Java Tutorial.

Problem With Receiver Communication (File Adapter)

Hi,
My SAP XI Version is 3.0 with Service Pack 7,I have a strange problem,
I have a flat file coming from Unix system,I need to convert this into XML and put a copy in the Archive mode and send the XML file,getting it converted into flat file format send it to the receiver.Here I have to do the content Conversion,So,I have done content conversion while configuring Sender and Receiver Communication Channel.
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So,for this I have checked up with Adapter monitoring in Runtime Workbench. In my File Adapter My Sender as well as Receiver Communication Channels are in Green.They are mentioning that Sender Communction is sucessful and
RECEIVER COMMUNICATION IS Sucessful but no messages processed.
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Should any OSS notice or patch work needs to be applied.
Thank You,
KishoreJ.

Hi Kishore,
I Guess you should first see if the file is being picked......for that do the following.
While configuring your Sender File Adapter, let the mode be DELETE. This way, we will know if the file is being picked by the File adapter. The file will be deleted and you can be sure that it has been picked up.
Next, look into the RWB--> FILE ADAPTER and see the log of the file adapter
and also, you can see the flow of your message in the integration engine in SXMB_MONI.
Ans still if your message is not showing up in SXMB_MONI, please do as explained below.
Increase logging and trace level in:
SXMB_ADM -> Integration Engine Configuration -> Specific Configuration
Also create entries as follows in it:
LOGGING = 1
LOGGING_SYNC = 1
TRACE_LEVEL = 3
TRACE_LEVEL_PROPAGATION = 1
Also refer XI: I cannot see some of my messages in the SXMB_MONI
Regards,
Abhy

Problem with Getting Community ID with MyPortalModel

Hi,
I tried to use the code in the samplePEI under UISourceCode( ExPageActions) to retrieve the pageID and community ID. The code is as follow:
if(_asCurrentSpace.GetModelExists(MyPortalModel.STR_MVC_CLASS_NAME)){
MyPortalModel model = (MyPortalModel) asCurrentSpace.GetModel(MyPortalModel.STRMVC_CLASS_NAME);
iitem_id = model.GetPageID();
iextra_id = model.GetCommunityID();
The problem is that I get strange ids. For example my home page would get pageid=0 communityid = -999. And a community page with incorrect pageid and community id. Can anybody find what's wrong with that, or is there another way to retrieve the ids?
Thanks heaps.
Joshua

Thanks for your help. I find out that some invalid numbers could be blocked. By when I have a modified community home page. It gives the correct community page, say 220 and an INVALID page id 118. For all community home page the page id should be 0 rite?
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Joshua

Problem with RFC Communication in BPM

Hi,
I'm again facing problem with transfer of
File->RFC->File scenario.The error in sxmb_moni is given below .
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
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xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/"
SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="MAPPING">JCO_COMMUNICATION_FAILURE</SAP:Code>
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<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:ApplicationFaultMessage namespace="" />
<SAP:Stack>"COMMUNICATION FAILURE" during JCo call. Error
opening an RFC connection.</SAP:Stack>
<SAP:Retry>N</SAP:Retry>
</SAP:Error>
Can anyone help me in fixing out this problem.
Regards,
Prashanth K.R,

Hi Prashant,
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regards
divya
Message was edited by: Divya Nambiar

VISA Read function Read buffer problem in serial communication

Hi, I use VISA write and read function in serial communication app, the device continuously sends 0x00 if it is not receive a request from Labview program running on PC.
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It works like: Req code: ... 50, 51,51,51,50....; VISA Read buffer: ...50, 50, 51, 51, 51, 51, 50....
Please refer to the program.
Attachments:
readOne_test.vi ‏21 KB

How are you running this? You don't have a while loop around it. Is it part of a larger VI? Please don't tell me you are using the run continuously button.
You don't have any wait statement between you VISA Write and your bytes at port. So it is very likely the receive buffer is still empty since you didn't give your VI time to wait for the device to turn around and give a reply. If you read 0 bytes, your VISA read string will be empty. How does your decoder subVI (which you didn't include) handle an empty string?

Problem in Session Communication Express

Dear All,
We are using Communication Express for Two uses in our application..
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2.Another one is for them to view their calendar activities ..for that we are enabling calendar tab of Comm Express and I can get the calendar... by referring URL http://....../uwc?calid=admin:course14 like that.,
The Problem Im facing is ,If the User First checks his Mail..and then calendar means my User calendar displays all the Comm tabs..(I need to get Only the Calendar tab here)
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Hi..
Thanks for the explain..
./imsimta version
Sun Java(tm) System Messaging Server 6.2-3.04 (built Jul 15 2005)
libimta.so 6.2-3.04 (built 01:30:02, Jul 15 2005)
Linux nile.jlcc.com 2.6.11-1.1369_FC4 #1 Thu Jun 2 22:55:56 EDT 2005 i686 athlon i386 GNU/Linux
and you asked about the problem Im facing..
The Sceniro is ...
We need to display Calendar & also Mail for our Users in two Separate Links...both links are in two different pages..
for the Mail Link Im getting Comm Express by., referring URL
http://myserver/uwc (Here I need all the tabs, and Im getting)
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how to solve this...is any problem in Session.
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How to enforce access to Calendar tab in comm expp..
I tried with ....http://myserver/uwc/index.jsp?gotoUri=/base/UWCMain?calid=admin:course3
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Thanks
Ashik

Problems with Serial Communication using Labview 6 and Solaris 8

I am working on a Driver for a Temperature Controller. But I am stuck at the very basics. I am using Labview 6 and the platform is Solaris 8 on a SUN Ultra 60 Workstation. I can not get the Serial communication to work. When I am running raw (uncompiled) code it works (I can read from and write to ttya and ttyb) but once compiled I get error code 37 (device not found). I have tried the following steps to fix this with no luck.
1) I made sure that the "serpdrv" file is in the same folder with the executable. I also make sure the serpdrv file is added as a support file when building the app.
2) I changed from using traditional serial VI's to labview 6's new visa functions. With these "new" VI's when
I try to initiliaze the visa device and wire a control to the "visa reference" input only 1 serial port shows up (ASRL2, missing ASRL1). I am not sure if this is part of same problem or whole new issue.
3) I reinstalled both visa and labview 6.0.2 update hoping this would help with no luck
4) I placed the following entry into the ".labviewrc" file
labview.serialdevices: "/dev/ttya:/dev/ttyb"
If anybody has had the same problem I would love to hear about it and if you have any solutions
Jamie Shea

Hi Jamie,
1. Do you have NI-VISA driver installed on the machine on which you are running this executable?? If you are trying to run the executable on the same machine on which the development program has ran fine, then you can ignore this point.
2. If you have done all the changes that are suggested by other discussions related to this topic, then try changing the Port input to Visa Serial Configure.Vi from a control to a constant and try it. In some case, I have seen this to do the trick. I think this point should solve your problem. If it does do tell me. :-))

ITunes 9 install problem: software for communicating with ipods not install

I downloaded and installed the update for iTunes 9 via apple software updater last night, and when I started iTunes I got the error "The software required for communicating with iPods and Mobile phones was not installed correctly. Do you want iTunes to try to repair this for you?" I click yes, and it says it couldn't fix the problem.
I followed the instructions here (http://support.apple.com/kb/HT1923) to completely uninstall itunes and quicktime and all supporting components, including mobileme and bonjour and then reinstalled iTunes9 using the setup file downloaded from apple.com. Still no luck! I get the same error when I start iTunes.
any suggestions? Help! Should I go back to the older version of iTunes?
btw, when I uninstalled iTunes, I kept my library files and two plugins around: last.fm scrobbler and mmkeys. Does this matter? I don't think so: I tried removing the plugins and I still got the same error.
I'm running Vista 64bit, and I used the 64 bit installer.

For those using Windows 7 64-bit, I also experienced this frustrating installation error. However, tonight, I was finally able to install iTunes 9 without getting the communication message by setting the compatibility tab under the properties tab of the installer to the following settings:
- check "run this program in compatibility mode for Windows Vista Service Pack 2"
- check "run this program as an administrator"
- launch the installer by right-clicking and selecting "run as administrator"
After selecting those options and also uninstalling iTunes and the Apple Mobile Device Support, iTunes 9 finally installed without any glitches on my Windows 7 OS.
Unfortunately, I don't have any advice for Vista users except for the already posted recommendation to use the 32-bit installer.
Message was edited by: Peter Lee

E72 - problem with Office Communicator Mobile

Has anyone successfully used the new native OCS client for the E72? Mine won't connect to the OCS server with a not very helpful "-20" error message. I've looked at the details in the McsService0.log file but nothing obviously wrong jumps out.
Solved!
Go to Solution.

I have managed to install and use the communicator OCS on E72, using the CWA R2. It worked for 2 days. Pretty well though, from internal and outside networks.
However, i now have the connection error #39 (from the logs: Error McsTransport: internal error (Synch), error=-39). No way to make it work, have tried uninstall/re-install, different networks (WiFi internal, external, 3G)...
And i see the traffic going through the CWA!
thanks for your ideas (and sorry for not anwering your error 20 problem ;-))

Problem in InterPortlet Communication

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