J2EE Configuration

Hi,
I am new to j2ee architecture. I have installed j2ee 1.4 server. I am facing the problem regarding the configuration of this server. I will be thankful if anyone send me the configuration of the server e.g. setting path and classpath and other configuration.
i tried my best and set the environment variable and j2ee.home too. But as i run the command asant build, it says j2ee.home is not set to the home directory. Also i will be thankful if someone told me how to compile the EJBs .java files.
Please send me the configuration on my email address [email protected]
Thanks,
Regards,
Sumair Rana.

Doesnt J2EE Server have samples and documentation in their Installation or Web Site?
Follow the steps (Step-By-Step) to configure a J2EE App.
The doubt you are asking is very broad, and these discussion forms are to discuss specific issues.
Regarding EJBs compilation:
EJBs are implemented and have descriptor files specific to each vendor. So you need to see the Vendor specification for more Info.
But you can compile and package EJBs in 2 simple ways that I know:
1. Write a script to do the following
i. Compile Java Files and Jar the class files.
ii. Run EJBC on the Jar file to create EJB stubs and skeletons. This would require Vendor specific Libraries.
iii. Deploy the EJB Jar files.
2. Use ANT Deployment Scripts to compile EJBs. (This is much easier, faster and is current standard).
Thanks and regards,
Pazhanikanthan. P

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Ian Skinner wrote:
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Message was edited by:
Premkishan Chourasia

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RFC Connection error in SM59 for SAP J2EE

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i am getting the following error description while testing the connection for
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Connection Test SAPJ2EE
Connection Type TCP/IP Connection
Logon              Connection Error
Error Details     Error when opening an RFC connection
Error Details     ERROR: program sapfallback not registered
Error Details     LOCATION: SAP-Gateway on host filip / sapgw00
Error Details     DETAIL: TP sapfallback not registered
Error Details     COMPONENT: SAP-Gateway
Error Details     COUNTER: 1483
Error Details     MODULE: gwr3cpic.c
Error Details     LINE: 1694
Error Details     RETURN CODE: 679
Error Details     SUBRC: 0
Error Details     RELEASE: 700
Error Details     TIME: Tue Mar 31 02:44:35 2009
Error Details     VERSION: 2
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Hi,
Please follow this steps:
Creating RFC Destinations in the ABAP and Java Environment
You need to create the following RFC destinations in transaction SM59 (ABAP) and the Visual Administrator (Java):
u2022 AI_RUNTIME_JCOSERVER
u2022 AI_DIRECTORY_JCOSERVER
u2022 LCRSAPRFC
u2022 SAPSLDAPI
Depending on your client settings, it may be necessary to be logged on your SAP Exchange Infrastructure host as SAP system user with the authorization to maintain customizing tables and to release transport orders. Note, that user "SAP*" or "DDIC" does not have these authorizations.
Maintaining the RFC Connections (Transaction SM59)
1. Log on to your SAP Exchange Infrastructure central instance host.
2. Call transaction SM59.
3. Choose Create.
4. Enter at least the following:
RFC destination: AI_RUNTIME_JCOSERVER
Connection type: T
Description: <your description>
5. Choose ENTER
6. Choose the tab Technical settings and do the following:
a. Select Registered Server Program
b. In the Program ID field, enter: AI_RUNTIME_<SID> where <SID> is the SAP system ID of your Integration Server host. Use uppercase letters only.
c. Enter Gateway host and Gateway service of your Integration Server host. To find out the required parameters:
a. On the Integration Server host, call transaction SMGW
b. Choose Goto u2192 Parameters u2192 Display (see entries for gateway hostname and gateway service)
7. Choose tab Special Options and select the flag Unicode in the box Character Width in Target System.
8. Save your settings.
9. Repeat the steps 3 u2013 8 for the remaining destinations:
Destination
Values
AI_DIRECTORY_JCOSERVER
Program ID: AI_DIRECTORY_<SID>, where <SID> is the SAP system ID of your SAP XI host
LCRSAPRFC
Program ID: LCRSAPRFC_<SID>, where <SID> is the SAP system ID of your SAP XI host.
SAPSLDAPI
Program ID: SAPSLDAPI_<SID>, where <SID> is the SAP system ID of your SAP XI host.
10. Leave the transaction SM59 open for later tests.
J2EE Configuration for the Destinations (Visual Administrator)
1. On your SAP Exchange Infrastructure central instance host, start the J2EE Engine administration tool.
2. Choose Cluster u2192 Server u2192 Services u2192 JCo RFC Provider
3. In the section RFC destination, enter exactly the same program ID and gateway options for AI_RUNTIME_JCOSERVER that you used in the step Maintaining the RFC connection above. Additionally, set the number of processes to 10.
4. In the section Repository, do the following:
a. Enter the parameter for the SAP XI host: Application Server, System Number, Client and Language.
b. For User and Password maintain the login parameters for the user SAPJSF.
c. Select the flag Unicode.
6. Choose Set.
7. Repeat the steps 3 u2013 6 for the remaining destinations:
Destination
Values
AI_DIRECTORY_JCOSERVER
u2022 Corresponding values from SM59
u2022 Number of processes: 10
LCRSAPRFC
u2022 Corresponding values from SM59
u2022 Number of processes: 3
SAPSLDAPI
u2022 Corresponding values from SM59
u2022 Number of processes: 3
Testing the RFC Destination
After you have maintained all RFC destinations in both the ABAP and Java environment, you can check all the connections above as follows:
1. Call transaction SM59 again.
2. Open your RFC destination.
3. Choose Test Connection. No error should be displayed.
This will solve your problem.
Thanks
Laxmi Bhushan

J2EE Configuration

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