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SAP NetWeaver Administrator

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Hi,

Now in time, all the big organisations are busy in implementing ESS & MSS. Though most of the third party HRMS

systems are in pl ace in a sound number of organisations, still in order to incorporate all the IT aka HR applications in

one pla tform i.e. in SAP , ESS & MSS functionality are being im plemented everywhere. In this blog, I am herewith

mentioning the required JCO connections , which need to be created to fetch information/data from back-end R3

(ECC) system. Following are the list of major JCO connections for ESS / MSS configuration :-

1. SAP_ECC_Financials

2. SAP_ECC_Financials_MetaData

3. SAP_R3_Financials

4. SAP_R3_Financials_MetaData

5. SAP_R3_Hum anResources

6. SAP_R3_HumanResources_MetaData

7. SAP_R3_SelfServiceGenerics

8. SAP_R3_SelfServiceGenerics_MetaData

9. SAP_R3_Travel

10. SAP_R3_Travel_MetaData

11. WD_ALV_METADATA_DEST

12. WD_ALV_MODELDATA_DEST

13. WD_MODELDATA_DEST

14. WD_RFC_METADATA_DEST

Please note that before configuring JCO connections, make sure that SLD connection is working from EP server.

On clicking TEST CONNECTION, it should show following m essage :-

Step by Step process to establish JCO connectionsfor ESS & MSS Configuration

Posted by Nilutpal Sharmahin SAP NetWeaver Adminis tratoron Jul 30 , 2013 7:32:45 AM

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If any issue appears in SLD connection testing, then MAINTAIN JCO CONNECTION & CREATE JCO CONNECTION

tabs get disabled.

Let's proceed for JCO connection creation now . Follow the below link to get the JCO connection creation page :-

http://: => Click on WEB DYNPRO => Click on CONTENT ADMINISTRATOR =>

Then MAINTAIN JCO CONNECTION .

Now follow the below points for creating above m entioned JCO connections :-

1. Select the JCO connection to be configured & cli ck on CREATE.

2. Then give the client number of ECC server (R3).

3. Then select "Local J2EE Connection".

4. Now main thing is to select the type of data to be fetched :-

4.1. Select META DATA for any JCO connection named *Metadata* .

4.2. Select APPLICATION DATA for any JCO connection named *Model data* or *Application data*.

5. Now select the corresponding R3 system and on the next screen give login credentials :-

5.1. Mention login credential of R3 s ystem for METADATA.

5.2. Mention SSO login ticket for MODEL DATA / APPLICATION DATA.

6. At las t click on FINISH and test the connection by pinging and a lso by clicking on TEST button.

NB:In case you test through any UME ID (which is not existed in back-end), then it will give following error while

TESTING Application Data / Model Data JCO connections :-

com.sap.mw.jco.JCO$Exception: (103) RFC_ERROR_LOGON_FAILURE: Ticket contains no / an empty ABAP user ID

(see note 1159962)

You can ignore this error.Also make sure that the maintained login ID has enough authorization to fetch data

from R3 system.

I hope this blog would add some positiveness in solving JCO issues .

Regards,

Nilutpal.

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13Comments

Like (1)

Ranjith JacobJul 30, 2013 8:31 AM

Hi ,NilutpalGood blog. Please share som e light on the usage of these jco's.Thanks,Ranjith

Like (3)

Nilutpal SharmahJul 30, 2013 9:38 A M (in response to Ranjith Jacob)

Thanks Ranjith ...JCO connection behaves as middleware component that enable a JAVA system (here it'sEP) to communicate back-end ABAP SAP system (here it's ECC). Generally two types ofJCOs are there : 1. Inbound (From JAVA to ABAP system), 2. Outbound (From ABAP to JAVAsystem). Above mentioned JCO connections are used to call ABAP system from JAVAsystem whereas to connect ABAP to JAVA , we create JCO RFC connection & the programname needs to be maintained in the TCP/IP RFC created in ABAP system.When we browse EP home page http::/irj , it containsvarious applications like Travel management, HR data fetch (Who am I ) etc. which are co-related with back-end system. So, in order to fetch data directly from EP frontend these JCOconnections are required.I hope this has cleared your query .

Regards,Nilutpal.

Like (1)

aakash bhatterJul 30, 2013 10:31 AM

Hi Nilutpal,Very Informative

Regards,Aakash Bhatter.

Like (1)

Omkar Bhagw anJul 30, 2013 10:42 AM

Thanks, nilutpal

Like (1)

SUJIT SHARMAJul 30, 2013 12:28 PM

Nice documentation Nilutpal.... Thank you for sharing..... added to Favorite in Twitter .. !!Regards-SUJIT

Like (0)

Nilutpal SharmahJul 30, 2013 1:39 PM (in response to SUJIT SHARMA)

Hey Thanks Sujit !!

Like (1)

Luk HorvthAug 5, 2013 10:30 AM

Perfect & helpfull! Thank you

Like (1)

Chen MikyAug 28, 2013 3:36 PM

very good,thanks you very muchalthough we use NWBC instead of portal for MSS/ESS

Graham SlaterSep 4, 2013 2:49 PM

Nice work - just what I needed today! Thanks.

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Nilutpal SharmahSep 4, 2013 3:48 PM (in response to Graham Slater)

Glad to know that Graham

Like (0)

Richa Shrivastav aMar 24, 2014 8:05 AM (in response to Nilutpal Sharmah)

Hi Nitupal,I understand that the 14 JCO connections you mentioned in your documents are to

be created in Portal . Do we also need to create these JCO RFC Connections i nABAP under TCP/IP Connections in SM59?In our system I do not s ee any of these connections maintained neither in EP norin ECC in SM59.Kindly advice.Many Thanks,Richa

Like (0)

ashish vikasMar 25, 2014 8:23 AM (in response to Richa Shrivastava)

No, you don't need to create JCO RFC Connections in ABAP underTCP/IP Connections in SM59.with best regardsashish

Like (0)

Richa ShrivastavaMar 26, 2014 2:26 PM (in response to ashish vikas)

Hi Thanks,SLD connection to Portal was not working . Once this was upand pinging fine in Portal , we were able to check this JCOconnectiin maintained and up and runing in Solman. So noneed to create this JCO in Portal.

And this res olved the issue.Many Thanks,Richa

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