Maintaining JCO destinations

HI experts,
                 We are using a standard sdn example for flight booking . We have downloaded zip file from sdn. We did all the steps to build the project in the netweaver studio help. After deployment we are not able to maintain JCO destinations. The error is " Unable to obtain JCO destinations and it a system landscape exception". We tried to create our own JCO destinations but the same.

Hi,
    Login to http://host:port/index.html
Go to Webdynpro -> Content Administrator. Click on 'Maintain JCo Destinations'.
The JCo connections you have created should be in green colour. If so, try to test the two connections (meta and model data) first. If both are successful, then ping them and check. If it works, then check from the project if you are using the right JCo connectors. If everything is fine, then it should work.
Regards,
Harini S

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    Hi Ravi,
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    [Troubleshooting SAP Java Connector |http://wiki.sdn.sap.com/wiki/display/EP/TroubleshootingSAPJavaConnector(JCo)]
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         at com.sap.tc.webdynpro.services.sal.sl.core.SystemLandscapeInternal.getJCOClientConnectionUnMapped(SystemLandscapeInternal.java:62)
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         ... 72 more
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         at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:111)
         at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:147)
         ... 75 more
    Caused by: java.lang.NullPointerException
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         at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestination(JCOClientConnection.java:588)
         ... 80 more
    <b></b>
    Message was edited by: Kapil Gupta

    hi Kapil,
    have you configured the SLD . or try testing the connection fromthe Webdynpro console to the sld.
    Its seems that the systems are not accesible through your Jco destinations..
    send me wat you have entered the metadata and application data jco detinations..
    Regards,
    Ramesh

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                       Should i create a JCo destination of this name. Even i am getting only Check SLD Configuration Option enable and other like Create, Maintain JCo Destination etc Disabled. What to do now?
    Regards,
    Vinayak

    Hi Vinayak,
    You need to do the following:-
    1. Open Visual Admin
    2. Navigate to serverservicesSLD data suplier
    3. enter the user credentials in http setting and CIM settings.
    4. Save and do a client test
    assign urself to SAP_SLD_admin group , you will not see the tab disabled , for a good overview of SLD refer to the following guide.
    https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/652b1f46-0a01-0010-25ae-e7cb07b55414
    Regards
    Pankaj Prasoon

  • Error in Jco Destination Create (MsgServerName is not defined).

    Hi,
    When I try to create a Metadata Jco Destination, the system show the message "MsgServerName is not defined" and cancel the operation.
    I can create Modeldata Jco Destination correctly. The problem is only on Metadata Jco Destination.
    Thanks.
    Ariel.

    Hi Alex,
    Please see the below link in which discussed the issue for "MsgServerName is not defined". 
    JCo Destinations: Message Server connection not defined
    /message/8658127#8658127 [original link is broken]
    Maintain JCO Destination, cannot set the server and logon group
    Also check the [System Landscape Directory Process and JCo Configuration|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0c1d495-048e-2b10-babd-924a136f56b5?quicklink=index&overridelayout=true]
    Hope it helps
    Regards,
    Arun

  • Machines with same Hostnames overwrite WebDynpro JCo Destinations (SLD)

    Hello,
    we are working with NWDI and virtualized Developer Workplace Machines (on VMWare Images). By this, all Developer Workplace machines have the same hostname. This works fine until teams start developing with Webdynpro JCo Destinations (i.e. for Adaptive RFC).
    This is what I think what I figured out what is going on:
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    - SLD identifies the JCo Destination by hostname and destination name
    - JCo Destinations are communicated from host to SLD, even though the SLD Data Supplier is configured only for reading SLD content
    In our environment with all developer workplaces having the same hostname, we have the effect, that all devlopers workplaces MUST work with the same JCo Destination. Each time a developer updates the destination for his workplace, this update is written to SLD and therefore the destination of all other workplaces is changed as well.
    So my question is: Is there any option to stop developer workplaces writing their JCo Destinations to the central SLD without loosing the functionality to read other CIM Data from their (Name Reservation, Tehcnical System Landscape) ?
    We are operating Developer Workplaces on following Releases: 6.40 SP15, 6.40 SP17, 7.00 SP12 and 7.10 SP5.
    Any help appreciated,
    Stefan

    Hi Stefan
          As of now we are using Content Administrator to manage and maintaing the JCO destinations to the systems which are configured in SLD.
          If you eliminate this jco destinations or if you want to decide not to use these JCOs ,You have option with JCO API.
    Manually you need to code in your programs to connect any R/3 System.As there is no option to maintain JCO destinations other than Content Admin with SLD configured with land scape.
    Regards
    Kalyan

  • Create JCO destination option not available

    Dear All,
    I am trying to make a JCO connection in CE.
    However the buttons for
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    The status for built-in JCO destinations  WD_MODELDATA_DEST
    WD_RFC_METADATA_DEST is shown as unknown.
    The "Enable" button is also disabled.
    Also i am getting the error "Connection to System Landscape Directory (SLD) could not be opened successfully".
    Can anyone please help me in this.
    Thanks and regards,
    Mayuresh.

    Hi Mayuresh,
    In nwa go to Configuration Management->Infrastructure->SLD Data Supplier Connection->Destinations.
    Create a Destination.
    Ping the destination to check if it is successful.
    After that you can create a JCO Connection.
    Regards
    pankaj

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