Connect to SAP R/3 using JCA and SLD

I have read a number of articles and code samples regarding back-end connections, but none of them provided the answer which is suitable for my situation.
I want to build a portal application which calls a simple BAPI in a SAP R/3 system.
The only requirements are that the application has to be set up according to the MVC pattern and the model will be exposed as a webservice.
I am using web dynpro to create the views and tie the view, the controller and the model together. The model should connect to a SAP R/3 system accessing it via single sign on.
I want the connection properties to be easily ajustable to make the application portable to another landscape, therefore I chose JCA to set up the connection.
FYI: The SAP back-end systems are defined in the portal system landscape and also in the system landscape directory on the XI server.
Does anyone know a good code sample/tutorial/how-to for setting up a flexible, easy manageable connection to a SAP back-end system?

thanks, I can get the data from SAP R/3 to crystal report.
but still dont know how to do the second question mentioned in previous message:
once the table I want to get the data from is a cluster, and have found the mapping data dictionary of this data cluster, which displayed in crystal report connection as well, however, the data is not what I wanted.

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thanks, I can get the data from SAP R/3 to crystal report.
but still dont know how to do the second question mentioned in previous message:
once the table I want to get the data from is a cluster, and have found the mapping data dictionary of this data cluster, which displayed in crystal report connection as well, however, the data is not what I wanted.

Data transfer b/w SAP to Java using IDOC and Interface SAP Jco

Dear Experts,
The challenging requirement we are having is, we need to create the interface for data transfer between SAP system and the Java system. The data will be transferred from SAP to java and similarly once some processing done in Java again the details needs to be transferred from Java to SAP.
For this data transferred we are planning to use IDOC process and for interface "SAP Java connector (Version 3.0.5)" we are planning to use. As per our understanding, from Java side one program needs to be written to connect with SAP as "Registered program". This registered program will appear in SAP GATEWAY automatically and using tRFC, TCP/IP connection both SAP and Java system will be connected.
In this case we are having some doubts.
1. The data from SAP is going to be transfered from one Custom transaction (Z tcode). Once "Outbound IDOC" will get triggered and will carry the details. Now the doubt is, whether the data / details will get transfered to JAVA system automatically or we need to perform any other steps from SAP ABAP coding...(like converting in to flat file, XML file and etc) ??
2. We are planning to install "SAP Jco" in Java server. Is this correct...??
3. Other than SAP Jco any other softwares needs to be installed or not..??
4. Since we are going to trigger the "outbound IDOC" from custom transaction, we are planning to develope one program in SE37. Other than this any other program we need to develop or not..??
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If anybody has detailed steps or explanation please share it with us.
Thanks in advance
Warm Regards,
VEL

Hi All,
For the above mentioned issue, we implemented JCo software in JAVA system and created the JAVA program including SAP logon credential details like Client, User name, password and Language details.
When this JAVA program was compiled successfully then, that non SAP system will appear in SAP gateway Tcode.
Once non SAP system started appearing in SAP gateway that means, both SAP & Non SAP are connected automatically.
Regards,
Velmurugan P

Design Time Connection of SAP Server failure using TIBCO Designer

Hi All,
While Connection to SAP Server using TIBCO Designer using Design Connection Configuration followed error we are facing.
Connection Error. Unable to Create a Connection with the target application bdhn4973.na.pg.com using connection parameters
programID=BWAH-IFS-L6A430 gatewayService=sapgw00 and the target application error is 102RFC_ERROR_COMMUNICATIONConnect to SAP gateway failedConnect_PM TPNAME=BWAH-IFS-L6A430, GWHOST=bhdn4973.na.pg.com, GWSERV=3300LOCATION CPIC (TCP/IP) on local ost with Unicode ERROR partner 'bdhn4973.na.pg.com:3300' not reached TIME Mon Jul 18 03:28:21 2011 RELEASE 720 COMPONENT NI (network interface) VERSION 40RC - 10 MODULE nixxi.cppLINE 3284DETAIL NiPConnect2: 155.125.167.58:3300SYSTEM CALL connectERRNO 239 ERRNO TEXT Connection refusedCOUNTER 6
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Regards,
Vijaya

Hi,
Since you are able to connect, seems the issue with network instability.
1) Create an RFC connection and perform the connection test. Note down the time taken (milli seconds), a notable delay also can be the cause of the issue.
2) Do the ping from Tibco system to SAP and note down the time taken
3)Also check the firewalls in between the two systems and check the valid access
You may need Nework admin teams help to cross check these.
Regards,
Syed

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ORA-12504 error when connecting to Oracle 11G DB using OCI and instantclient-basic-nt-11.2.0.3.0.zip

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I am using OCI and instant_client (11.2.0.3.0) in my C++ program (on Windows 7) to connect remotely to 11G database.
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Kindly guide.
Many thanks in advance for your help and time.
Best Regards,
- ganesh

>>what is the exact connect string you are using?
For connection, I am using the plain hostname on which the DB server is running.
>>are you calling OCIServerAttach before OCISessionBegin?
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 OCISession* usersession = 0;
 ret = g_OCIAttrGet(m_pSvcCtx, OCI_HTYPE_SVCCTX, &usersession, NULL,
 OCI_ATTR_SESSION, m_pErrHdl);
 if (ret == OCI_SUCCESS)
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 (text*)user.c_str(), static_cast<ub4>(user.length()),
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 (text*)host.c_str(), static_cast<ub4>(host.length()));
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version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
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hostname Router
boot-start-marker
boot-end-marker
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control-plane
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description Remote
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port 2/1
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dtmf-relay cisco-rtp h245-signal h245-alphanumeric
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fax rate 7200
fax nsf 000000
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line aux 0
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In your voice class codec 10 there aren't any codecs declared.
Add G.711 codec in this way:
voice class codec 10
codec preference 1 g711alaw
If the fax communication fails again try to disable T.38 and try fax passthrough mode:
no fax rate
modem passthrough nse codec g711alaw
fax protocol pass-through g711alaw
Regards.

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thanks, I can get the data from SAP R/3 to crystal report.
but still dont know how to do the second question mentioned in previous message:
once the table I want to get the data from is a cluster, and have found the mapping data dictionary of this data cluster, which displayed in crystal report connection as well, however, the data is not what I wanted.

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[email protected]
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In the additonal error log it says-
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Dear all,
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Kind regards
Roman

Hi,
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[code]
main()
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[/code]
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PS in the widgets forum I have given you an example of how to connect to SAP via RFC within widgets.
Nathan
Message was edited by: Nathan Jones

Connect to SAP R/3 using JCA and SLD

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