Problem in datasource and connection factory.

I am using a connection factory to make connections to the database.
First I create a connection pool then i created a datasource and finally i used the JNDI Location name which i used inside the BPEL to create a connection factory.
Does this activity requires a restart of server. I am getting the following error.
file:/software/product/10.1.3.3.0/bpel/domains/default/tmp/.bpel_IRobo_Workflow1_1.0_e580208857197172fe72bbfca5d9d8b6.tmp/fr_jumper_info.wsdl [ fr_jumper_info_ptt::fr_jumper_info(InputParameters) ] - WSIF JCA Execute of operation 'fr_jumper_info' failed due to: Could not create/access the TopLink Session.
This session is used to connect to the datastore. [Caused by: VDMT_IROBO_DATASOURCE not found]
; nested exception is:
ORABPEL-11622
Could not create/access the TopLink Session.
This session is used to connect to the datastore. [Caused by: VDMT_IROBO_DATASOURCE not found]
See root exception for the specific exception. You may need to configure the connection settings in the deployment descriptor (i.e. $J2EE_HOME/application-deployments/default/DbAdapter/oc4j-ra.xml) and restart the server. Caused by Exception [TOPLINK-7060] (Oracle TopLink - 10g Release 3 (10.1.3.3.0) (Build 070608)): oracle.toplink.exceptions.ValidationException
Exception Description: Cannot acquire data source [VDMT_IROBO_DATASOURCE].
Internal Exception: javax.naming.NameNotFoundException: VDMT_IROBO_DATASOURCE not found.
</summary>
</part>
-<part name="detail">
<detail>
Exception Description: Cannot acquire data source [VDMT_IROBO_DATASOURCE].
Internal Exception: javax.naming.NameNotFoundException: VDMT_IROBO_DATASOURCE not found
</detailException Description: Cannot acquire data source [VDMT_IROBO_DATASOURCE].
Internal Exception: javax.naming.NameNotFoundException: VDMT_IROBO_DATASOURCE not found
</detail

Hi James
I have created the data source and i can find it in the path C:\product\10.1.3.1\OracleAS_1\j2ee\home\config\data-sources.xml
<managed-data-source connection-pool-name="IRoboConnectionPool" jndi-name="jdbc/VDMT_IROBO_DATASOURCE" name="VDMT_IROBO_DATASOURCE"/>
And in C:\product\10.1.3.1\OracleAS_1\j2ee\home\application-deployments\default\DbAdapter\oc4j-ra.xml i can see
     <connector-factory location="eis/DB/VDMT_IROBO" connector-name="Database Adapter">
          <config-property name="xADataSourceName" value="jdbc/VDMT_IROBO_DATASOURCE"/>
          <config-property name="dataSourceName" value="VDMT_IROBO_DATASOURCE"/>
          <config-property name="platformClassName" value="oracle.toplink.platform.database.Oracle9Platform"/>
          <config-property name="usesNativeSequencing" value="true"/>
          <config-property name="sequencePreallocationSize" value="50"/>
          <config-property name="defaultNChar" value="false"/>
          <config-property name="usesBatchWriting" value="true"/>
          <connection-pooling use="none">
          </connection-pooling>
          <security-config use="none">
          </security-config>
     </connector-factory>
You have said I have given the name for dataSourceName incorrectly , what value should we give I dont know that I thought it is a user defined value.

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I occur a very problem about JDBC and connection pool on Weblogic Platform
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