SAP Enterprise Connector and JCo

Hello All,
I have a question.
I wánt to know regarding -->
SAP Connector &
JCo.
Are both of them same ?
Regards,
Deepu.K

hi,
They are different:
SAP Connector : A development tool, that helps classes and RFC function module method calls in Java application.
http://help.sap.com/saphelp_nw2004s/helpdata/en/ed/897483ea5011d6b2e800508b6b8a93/frameset.htm
JCO : They are often called as JCO RFC provider service. They offer two types of connection a)TCP/IP b)Through shared memory
http://help.sap.com/saphelp_nw2004s/helpdata/en/83/85343e8c7f6329e10000000a114084/frameset.htm
(soon my blog on SAP Enterprise connector will be published)
hope it helps'
regards

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SAP Enterprise Connector and service....

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After creating, via the plugin "SAP Enterprise Connector", a proxy pointing on a BAPI, how can I create a service for this (and a web service).
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Message was edited by: David Fryda

HI Jerin,
Can be please little bit elaborate ur scenario.Because Enterprise Connector is deprecated in NWCE 7.1 onwards...

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Runtime error while using SAP Enterprise Connector in a J2EE Web Servlet

Hello,
I'm facing problems while trying to do a RFC call out of a Servlet.
I'm using Development Components (DCs) and my project setup is as follows:
Firstly I've created a DC of type J2EE/Web Module. This DC implements an absolutly simple servlet which has to do the RFC-Call.
The relevant code is:
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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 BapisfldatType_List list = output.get_as_listFlight_List();
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 response.getWriter().print("Date: " + elem.getArrdate() + '\t' + "Arrive: " + elem.getArrtime());
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I had to manually add following DCs as "Used DCs" to get my DC built:
com.sap.aii.proxy.framework (default)
com.sap.aii.util.misc (default)
com.sap.mw.jco (default)
So far, so good...
As a J2EE/Web module DC can't be deployed I've created a second DC of type J2EE/Enterprise Application and referenced the first DC. This DC is also built fine and can be deployed.
But... When I call my servlet I get following Error Message on the web browser:
The request cannot be processed.
Details:
com.sap.engine.services.servlets_jsp.server.exceptions.ServletNotFoundException: Cannot load the requested servlet [LocalDevelopmentservletxxx.com/servlet/TestServlet].
Exception id: [000C295D60FB006F0000003600000EA8000461A05860B4BA]
I also had a look in the trace files:
Vollstu00E4ndiger Nachrichtentext
application [LocalDevelopmentservletxxx.com] Processing HTTP request to servlet [TestServlet] finished with error. The error is: com.sap.engine.services.servlets_jsp.server.exceptions.ServletNotFoundException: Cannot load the requested servlet [LocalDevelopmentservletxxx.com/servlet/TestServlet].
at com.sap.engine.services.servlets_jsp.server.runtime.context.WebComponents.getServlet(WebComponents.java:330)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:354)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)
at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
Caused by: java.lang.NoClassDefFoundError: com/sap/aii/proxy/framework/core/AbstractType
Loader Info -
ClassLoader name: [xxx.com/testear]
Parent loader name: [Frame ClassLoader]
References:
 common:service:http;service:servlet_jsp
 service:ejb
 common:service:iiop;service:naming;service:p4;service:ts
 service:jmsconnector
 library:jsse
 library:servlet
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 C:\usr\sap\J2E\JC00\j2ee\cluster\server0\apps\ibm.com\testear\servlet_jsp\LocalDevelopmentservletxxx.com\root\WEB-INF\classes
 C:\usr\sap\J2E\JC00\j2ee\cluster\server0\apps\ibm.com\testear\src.zip
Loading model: {parent,references,local}
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at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
at java.lang.Class.getConstructor0(Class.java:1930)
at java.lang.Class.newInstance0(Class.java:278)
at java.lang.Class.newInstance(Class.java:261)
at com.sap.engine.services.servlets_jsp.server.runtime.context.WebComponents.getServlet(WebComponents.java:319)
... 14 more
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to package the relevant jar-files from the used DCs into the EAR-File - but the I faced problems with the JCo
Thank you for any help.
Osman

Hi,
One thing that can be helpful is to add the references of the JAR files that you are adding as Used DC in the EAR.
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Following link will be helpful: http://help.sap.com/saphelp_nw70/helpdata/EN/83/82814282cfc153e10000000a1550b0/content.htm
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first of all I'm using SAP NW CE.
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Hi,
I am using the SAP enterprise connector plugin for Netweaver 04.
It generated me all the classes that I need for the BAPI.
It also generated me a Proxy class.
I want to create a service.
This is what I've done :
1) create a portal service.
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Hi Marcin and everyone,
Thanks for the precious explanations.
I created a client and I have an exception.
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securedClient.setURLEndPoint(new URLEndpoint("http://<server>:<port>/irj/servlet/prt/soap/com.sap.portal.prt.soap.MyBAPI4Service?style=doc_lit"));
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importParams.setCompanycodeid("0500");
Bapi_Companycode_Getdetail_Output exportParams = null;
securedClient.execute_BAPI_COMPANYCODE_GETDETAIL(importParams);
Do I have to use a secured client ? What is it ?
The exception is :
Problem at execution: SOAP Fault Error (java.lang.NoClassDefFoundError) : java.lang.NoClassDefFoundError
Thanks Marcin....
Message was edited by: David Fryda

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Hello some more information....
I have installed the ABAP 6.4 Sneak Preview SP11 (It works fine with the SAP GUI). I am trying to call Bapis from Java with the help of the proxies generated by "SAP Enterprise Connector". But the problem is that the "SAP Connection Wizard" does not progress any further after providing the R/3 system details(like hostname, sys number, client) and username/pasword. When I click the "Next Button" after providing the correct connection parameters it just stays there.
-->Would the license be a problem. I did not apply for the 90 day license yet, I wanted to do that once everything is working fine.
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Yasu

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the content is copied from /thread/9971 [original link is broken]
Hi
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Hello some more information....
I have installed the ABAP 6.4 Sneak Preview SP11 (It works fine with the SAP GUI). I am trying to call Bapis from Java with the help of the proxies generated by "SAP Enterprise Connector". But the problem is that the "SAP Connection Wizard" does not progress any further after providing the R/3 system details(like hostname, sys number, client) and username/pasword. When I click the "Next Button" after providing the correct connection parameters it just stays there.
-->Would the license be a problem. I did not apply for the 90 day license yet, I wanted to do that once everything is working fine.
--> Should I do any additional configuration on the R/3 side.
--> Should I add any extra setting to the environment variable path.
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Yasu

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hi,
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[http://www.octavia.de/fileadmin/octavia_files/content_bilder/Hauptnavigation/SAP_NetWeaver/WebDynpro/Tutorial_1.pdf]
[http://www.sercononline.com/suntechnovate07/images/images/13%20-%20Rajiv%20Jain%20-%20SAP.pdf]
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See https://forums.sdn.sap.com/thread.jspa?threadID=398494

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Maybe your application isn´t run in x84
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Hi,
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SAP Enterprise Connector and JCo

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