Setup connectivity from ABAP to Java stack

Hi
I'm struggling to make connectivity setup from ABAP to Java stack. Objective is to call a java method published on javastack from a report/FM. Can some one guide me with some examples. Appreciate all your responses.
Thanks

Hello Yadagiri,
I found three links that may help you
http://help.sap.com/saphelp_nw70/helpdata/en/43/783e2beabd1ad0e10000000a114cbd/frameset.htm
http://help.sap.com/saphelp_nw70/helpdata/en/45/f662fb6cc604ace10000000a114a6b/frameset.htm
http://help.sap.com/saphelp_nw70/helpdata/en/45/0e78275adc6cbfe10000000a114a6b/frameset.htm
I hope it helps!
With regards,
Caio Cagnani

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Hi Sunny,
JCO RFC is tested and it is working fine. So no issues from JCO RFC side. Hope you would have read carefully.
>
Ashish Mishra wrote:
> But still even after configuring the JCO RFC successfully, I am unable to view, configure or control
> J2EE stack's status from smicm (ABAP).
>
========================================================
Hi Anil ,
Thanks for your reply. but
>
Ashish Mishra wrote:
>
> I have installed two separate ABAP and Java Stacks and trying to connect both the stacks together.
>
Hope I am able to clear your doubt. Java is completely separated stack and not add-on.
Suggest me how can I proceed further on this connectivity.
=========================================================
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I am grateful to you for your reply. I understood your point but now except a successful JCO RFC test,
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Hi Yadagiri,
Please check the reply from Carlos in the below thread
Re: increasing heapsize of java on WINDOWS 2003
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Hi Gajapathi,
How JAVA and ABAP stacks are connecting to each other
PI manages using single database for both JAVA and ABAP servers. But both access them using different schema. They connect using RFC protocol via SAP Java Connector (JCo Connector).
How we are able to see Mapping error in Integration Engine
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Hi
I have tried it - not with this particular combination of packages but it should not matter. SAP made support packages stacks to make i.e. testing easier so of cause they will not recommend different levels - which I wont do either in general. However for a particular scenario/installation that I knows and as an exception I would not be reserved for doing this.
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An overview of supported Standards (Java 5 since when?)
Go to service.sap.com/pam
Product Availability Matrix will tell you about supported version and platforms.
An overview of which component runs on which stack? Portal->Java, Integration Server->ABAP and so on.
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More and more products require ABAP backend and Java frontend.
For example Employee Self Service has been transerred from ABAP only ITS based to ABAP backend and Java frontend.
Same with SRM.
Guidelines when to install both stacks and when to use just one stack? When do I use which one?
Same as above, driven by business requirements, not technology.
Has SAP an stategy towards an one Stack solution (possibly Java?)
No. Core business functions are still being developed on ABAP and interface, GUI etc utilize JAVA.
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Seperate ABAP and JAVA stack for BI

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We already have running a ABAP stack with BI 7.0 on Oracle/AIX
We are now going to install the JAVA stack with the following software units (AS JAVA, EP, EPC, BI JAVA) to a seperate AIX server. I do have the following questions:
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2.) How are we going to connect the ABAP server to the JAVA server. Will that be with JCO or RfC or something else.
3.) Installing the JAVA on a seperate server, how the handle the user store. Creating its own or can we use the user store of the ABAP such as in a dual stack installation ?
4.) Other issue's what is worth to mention
please advise
Ritchie

Hi Ritchie,
You can have different installation options.Amswers below
1)As you are installing in a different system It will create a sepatate database and the connection will happen through jco/rfc.
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3)User store will be selected according to the installation mode mentioned in the installation guide.
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Ashok

Individual business system for ABAP and Java Stack

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I need to send message from a system to XI via ABAP proxy and Java proxy. The sender's ABAP and Java proxy use the same message interface to communicate with XI. Should I create one business system for the ABAP stack and one for Java stack of the sender system?
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Are you sending same message type from ABAP proxy and Java Proxy to XI?
If you have ABAP proxy, why do you need Java Proxy? Actually you cannot create any Java proxies on ABAP bases systems. What kind of system sender is? Java proxies are created for pure Java based applications.
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Dear All,
we are trying to make an external facing portal which has
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   Login
we are having two servers one is running on ABAP stack and other one on JAVA stack, at different locations.we need to deploy the same portal applications on both the servers.Both the servers are EP7 and SP10
I had downloaded the com.sap.portal.runtime.logon.par.bak file and renamed it and modified it in terms of taking out the TopArea.txt and BotArea.txt from the umlogon.jsp page and uploaded the par in portal and created the ivew for the same.
our requirement is similiar to the funtionality as of SDN External Facing portal.
The iview(logon iview) is added to the anonymous framework page.The iviews on both the servers have the same par.
In case of ABAP stack server,after logon,the respective roles of the user are rendered in the Left Navigation.
However in case of JAVA Stack sever ,after logon, one enters into the portal itself.
We are not able to ascertain what might be the reason for such a behaviour, as the par is same in both the server. Is there any different mechanism, in case of Java Stack and ABAP stack? If so what points need to be kept in mind?
Also would like to know, is the approach correct? or is there any other approach?
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Hi Michael,
Firstly, I'll explain the complete scenario.
The configuration of the two servers are as below.
1) The server is running on ABAP+JAVA Stack and the data source of UME Collaboration data source is on ABAP System
2)The Second server is running on Java Stack and the UME collaboration data source is Database only.
our portal has the same desktop on both the server. there are no TLN. We have only Masthead, Left Navigation, Content Area and Login. Everything is the same except the above mentioned points.
On the 1st System, when we log on we are able to see our custom Desktop developed by us.
On the 2nd server, when we log on, we are not able to see the custom Desktop developed by us, infact we get the default SAP Netweaver Portal with TLN specific to the Logged in User.
Why are we facing this scenario in the 2nd server, We felt it might be because of the difference in the Stack and Data Source. Are we targeting in the right direction?
Or is it that we are missing some thing or doing something wrong in the UME configurations on the 2nd System.
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Abap and java stack together gives error message...

I am trying to install abap stach and java stack together.
I installed abap was without problem but when I install Java i get the error below.
I tried SP09 and since it didnt work Sp07 also since I had it with me downloaded before.
Any help ??? Got stuck
I need to install together to practice webdynpro...
E:\NW2004sSP7_Preview\SAP_NetWeaver_2004s_SR_1_Installation_Master_DVD__ID__NW05SR1_IM1\IM_WINDOWS_I386\NW04S\WEBAS\ADA\control.xml
George
INFO 2006-11-30 15:10:12
An error occured and the user decided to rety the current step: "|NW_Java_OneHost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|1|0|NW_GetSidNoProfiles|ind|ind|ind|ind|1|0|collect".
ERROR 2006-11-30 15:10:14
FJS-00003 TypeError: this._name has no properties (in script NW_Java_OneHost|ind|ind|ind|ind, line 8987: ???)
INFO[E] 2006-11-30 15:10:13
FSL-02077 File system export (share) saploc does not exist.
ERROR 2006-11-30 15:10:14
FCO-00011 The step collect with step key |NW_Java_OneHost|ind|ind|ind|ind|0|0|NW_Onehost_System|ind|ind|ind|ind|1|0|NW_GetSidNoProfiles|ind|ind|ind|ind|1|0|collect was executed with status ERROR .
THis error was gone when I used the registry cleaner for removing ABAp stack But now question is How do I install BOTH????
May be the instance number is the problem....
In old version of ABap stack we can enter the instance number .But not in SP 9 .Can we change here too?
E:\NW2004sSP7_Preview\SAP_NetWeaver_2004s_SR_1_Installation_Master_DVD__ID__NW05SR1_IM1\IM_WINDOWS_I386\NW04S\WEBAS\ADA\control.xml
This file holds the Key of the errors since it checks for the instance number which is given in the log as details.. May be we can change it....
In ABap STack install instead of files as in SP 07 they have created an image and may be this si the reason that
we cannot customize.I have to find a way in order to install it...

i found soltuion myslef THe lates WAS for abap is preconfigured and so its not suitable for abap-java multiple installation

Setup connectivity from ABAP to Java stack

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