Port for JCO connection

Hi,
I am accessing an R3 table using JCO connection. Can someone please let me know the port no. of the server which will be neccessary for doing this?
Thanks

Hi Jacob,
try {
con = cgservice.getConnection("ISOILESconnect", cp);
ix = con.createInteractionEx();
ixspec = ix.getInteractionSpec();
ixspec.setPropertyValue("Name", "Z_MESSAGES");
rf = ix.getRecordFactory();
// CCI api only has one datatype: Record
RecordFactory recordFactory = ix.getRecordFactory();
MappedRecord importParams=recordFactory.createMappedRecord("CONTAINER_OF_IMPORT_PARAMS");
MappedRecord exportParams = (MappedRecord) ix.execute(ixspec, importParams);
output = (IRecordSet) exportParams.get("LI_MESSAGES");
This is the piece of code im using, I have already created a system on both the servers and tested them successfuly. But for some reason it works on one but does not give an output when i run it on the other server.
I get an error which tells me that no output is returned.
Thanks.

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Where can i find .properties file for jco connection?

For jco connection to SAP, we need .properties file. Is this file already contained in Exchange Profile or somewhere??
If yes, where can i find .properties file for jco connection or what is the path to this file?
OR, do we have to create manually??
Any help is appreciated.
Thanks.
Karma

Hi Karma,
Please take a look at these..
Where to set up the JCO connection?
http://help.sap.com/saphelp_nw04/helpdata/en/bc/42e13d82fcfb34e10000000a114084/frameset.htm
http://help.sap.com/saphelp_webas620/helpdata/en/bc/42e13d82fcfb34e10000000a114084/content.htm
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Change password for JCO connections

Hi,
In our landscape we have around 80-100 applications running and there are 300-400 JCO connections on an average. We have 4 servers like this. Earlier we used to have developers user id and password for JCO connections. Now we have decided to have a universal userid and password for all the JCo connections. My question is there any way by which we can change the passwords for all the JCO connections without going to each one of them individually as it is a hectic task.
Thanks & Regards,
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Hi Vijith Kumar,
Look at the following blog:
/people/anilkumar.vippagunta2/blog/2007/02/06/dynamic-jco-creation
I guess that if you can create JCO by code you can also edit it...
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Omri

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Java-Program for JCO-Connection

Hallo experts!
I tried to get a Java-Program running which should establish JCO-Connection to a SAP-System and got the following error message:
java.lang.ExceptionInInitializerError: JCO.classInitialize(): Could not load middleware layer 'com.sap.mw.jco.rfc.MiddlewareRFC'
JCO.nativeInit(): Could not initialize dynamic link library librfc. Found version "640.0.144" but required at least version "640.0.161".
     at com.sap.mw.jco.JCO.<clinit>(JCO.java:776)
     at JCOTEST.main(JCOTEST.java:24)
Exception in thread "main"
Anyone got an idea?
Thanks for your help in advance.

Thank you Jens,
it worked fine with the newest JCo-Download.
Now I seem to have some Network problem: ip not reached:
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed
Connect_PM GWHOST=10.251.24.10, GWSERV=sapgw10, ASHOST=10.251.24.10, SYSNR=10
LOCATION    CPIC (TCP/IP) on local host
ERROR       partner not reached (host 10.251.24.10, service 3310)
I need to talk to our network manager in the firm.
Regards.
Thomas

Authentication method for JCo connection in XSS installation

Hi All,
I have a query which perplexes me. I am implementing XSS (ESS/MSS) on SAP Portal EP6 SR1 with an ECC5 backend for prototype purposes.
When I follow SAP's help steps to setup JCo connections, it states that for the metadata connection you should use a security authentication method of 'User/Password', but for the application data connection you should use a security authentication method of 'Ticket'.
Does anyone know why the difference in methods here? Is it possible to use 'User/Password' for both? Any thoughts would be appreciated.

Hi john,
User -ID /Pwd method can be used to access the backend for both types of Data as per your scenario.
User -ID /Pwd method and logon tickets both can be used to access data in backend.
The difference lies in the scenario with which you are accessing the back-end.
If all your portal users are same as backend users then you can select Logon ticket methods.
If they are going to be different then you need User-ID /Pwd method .
Check the following link to get a clear picture:
<a href="http://help.sap.com/saphelp_ep50sp2/helpdata/en/4d/dd9b9ce80311d5995500508b6b8b11/frameset.htm">Scenario to use type of SSO</a>
Hope it helps.
Regards,
Vivekanandan

Getting error 'opening port for MGR (Connection refused).

Hi Guys,
I m getting below, while starting replicat on target.
GGSCI (ggtarget) 16> start replicat RLOAD
Sending START request to MANAGER ...
ERROR: opening port for MGR MGR (Connection refused).
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PORT 7809
USERID orgg, PASSWORD orgg
PURGEOLDEXTRACTS /ggs/dirdat/*, USECHECKPOINTS
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What could be issue ???

Hi,
Error:
GGSCI (ggtarget) 16> start replicat RLOAD
Sending START request to MANAGER ...
ERROR: opening port for MGR MGR (Connection refused).
You can start Manager, but when you try to start Replicat, GGSCI gives me a connection timeout error
Solution:
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Here is how to find out which local ports these processes are listening on. In the dirpcs directory, there will be one file for each running GoldenGate process.
For Manager, the file name will be MGR.pcm.
For Extract, it will be <GROUP_NAME>.pce.
For Replicat, it will be <GROUP_NAME>.pcr.
These are text files that can be viewed by using cat or any equivalent command. For example, the MGR.cpm file content will read like this:
PROGRAM MGR PROCESSID MGR PORT sys1.4356 PID 60070
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The program (ggsci) tries to use that hostname to communicate to the process (Extract/Replicat/Manager) when the command is issued in GGSCI. If you get a timeout or connection-refused error on the command, that means GoldenGate could not connect to the local host. Most of the time, you should have no problem connecting to a local host, but when you have the wrong IP address or routine table configured in your TCP/IP settings, connection errors can happen.
To troubleshoot this, follow the steps below
1. Try to ping that host name from the OS shell to see if it goes to the correct IP address (which should be the one for the local system).
2. If the ping is successful, try to telnet to the Manager port on your local host. You will be able to see your telnet session connect if a Manager is listening on that port.
Here is an example:
shell>telnet
telnet> open sys1 4356
Trying 100.100.100.100...
Connected to sys1.oracle.com (100.100.100.100).
Escape character is '^]'.
3. If your telnet session times out or gets a connection-refused error, that means either the hostname is wrong or the port number is wrong.
If the ping to the hostname listed in the pcm/pce/pcr file fails, or if you cannot connect your telnet session to the port listed in the file(s), contact your network engineers to get the TCP/IP issue resolved.
Hope this information helps.
Thanks & Regards
Santhosh

MII 12.1 time out for JCo Connection

I'm running this MII transaction that, is using a JCO connection to run a Function Module in SAP.
The problem we have is, that function module takes more than 60 seconds to run an return the values, that is correct because we are gathering a big amount of data, so if we run the function Module inside SAP it works ok, BUT, if we run the transaction from MII we receive a time out after exactly 60
seconds.
We have already modified several time out parameters inside MII
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Hi Salvador,
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How to set timeout for each level in MII?
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Which is the port I need to open up for JCo to communicate to SAP server?
The version of JCo is "SAP JCo 2.1.8 ".
Is there any documents regarding the communication port?
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Dennis

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Hi,
Need to create a user for verifying the Jco connections. Please help me with the steps of creation and how can it restricted only for verifying the connections.
Thanks

Hi Daneil,
Best way is to do it yourself.
1 - Create a user having full access (SAP_ALL and SAP_NEW and RFC Full access as well).
2 - Set up the JCO connection with this user ID.
3 - Put a trace (ST01) on this user ID and then test the connection.
4 - Analyze the trace file and create a role having all the access pulled in the trace.
5 - remove all the access from the above user and assign the role created in 4.
6 - Put a trace once again on this user Id, just to ensure that if there is a miss in any authorization(failure) then you will be able to capture that as well. Update the role accordingly.
Hope this helps.

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http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/css11500series/v7.50/command/reference/CmdGrpC.html#wp1139667
portmap [base-port base_number|disable|enable|number-of-ports number|vip-address-range number]
disable
Instructs the CSS to perform Network Address Translation (NAT) only on the source IP addresses and not on the source ports of UDP traffic hitting a particular source group. This option does not affect TCP flows.
For applications with high-numbered assigned ports (for example, SIP and WAP), we recommend that you preserve those port numbers by configuring destination services in source groups. Destination services cause the CSS to NAT the client source ports, but not the destination ports.
Note If you disable flows for a UDP port using the flow-state table and configure the portmap disable command in a source group, traffic for that port that matches on the source group does not successfully traverse the CSS.
The CSS maintains but ignores any base-port or number-of ports (see the options above) values configured in the source group. If you later reenable port mapping for that source group, any configured base-port or number-of ports values will take effect. The default behavior for a configured source group is to NAT both the source IP address and the source port for port numbers greater than 1023.
There is no possibility to disable it for TCP.
We need to source nat the port to guarantee that the server response comes back on the same module/CPU and the internal packet allocation algorithm is based on src and dst ports.µ
Gilles:

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Port for JCO connection

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