Number of connections expiry problem - URGENT

Question

Hi all,
We are using Adaptive RFC model to connect to R/3 and call BAPIs. All the applications use a single JCO connection (which we create in content admin->webdynpro) to connect to R/3.
<b>We were getting "<u>max no of 100 conversations</u> exceeded" exception with the JCO.</b>
Here's the exact exception :-
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed Connect_PM  GWHOST=149.183.181.210, GWSERV=3318, ASHOST=149.183.181.210, SYSNR=18 LOCATION    CPIC (TCP/IP) on local host ERROR       max no of 100 conversations exceeded TIME        Wed Dec 21 22:43:55 2005 RELEASE     640 COMPONENT   CPIC (TCP/IP) VERSION     3 RC          466 MODULE      r3cpic.c LINE        9704 COUNTER     3
Here is the code which we are using to connect and disconnect to R/3</b> :-
IWDJCOClientConnection     connection =                    WDSystemLandscape.getJCOClientConnection(
                    "PROD_MODELDATA_RFC",
        JCO.Client client = connection.getClient()
        <modelobj>.setJcoClient(client);
        <code to execut the BAPI>
        JCO.releaseClient(client);
     connection.release();
All the applications use the same JCO and the same code (as mentioned above) to connect and disconnect.
Even now we are getting the same exception with the JCO and thus no data is returned and no application works.
<b>I have checked in R/3, <u>the connections are getting created, but not getting closed</u>.</b>
<b>So, now my question is, am I using the right API to connect and disconnect??</b>
Please help me in this. This is very urgent.
Regards,
Narahari

Answer 1

Hi all,
Yes. Like Valery has pointed out, if i try to use JCO.Client.disconnect(), it throws the following exception:-
  com.sap.mw.jco.JCO$Exception: (106) JCO_ERROR_RESOURCE: A client allocated from pool PROD_MODELDATA_RFC_sunih1_EN_useDefinedUser cannot be disconnected directly. Please, use JCO.releaseClient(JCO.Client) instead.
So can I use the following lines:-
          JCO.releaseClient(client);
          connection.release();
     if (client.isAlive()){
                    client.disconnect();     
Regards,
Narahari