Connect to Salesforce Data Cloud from a Connection Pool in WebLogic



Use the CData JDBC Driver for Salesforce Data Cloud to connect to Salesforce Data Cloud data from Web applications running on WebLogic.

The CData JDBC Driver for Salesforce Data Cloud enables you to follow standard procedures to integrate Salesforce Data Cloud data into Java Web applications. This article shows how to deploy the CData JDBC Driver for Salesforce Data Cloud in WebLogic Server.

Deploy the JDBC Driver in WebLogic Server

To deploy the driver, add the driver JAR to your classpath. The .lic file must be located in the same folder as the JAR. These files are located in the lib subfolder of the installation directory.

If you want to add the driver to all domains, prepend the path to the JAR to the WEBLOGIC_CLASSPATH environment variable in WL_HOME\common\bin\commEnv.cmd/sh. This script is located in WL_HOME\common\bin\. For example:

set WEBLOGIC_CLASSPATH=your-installation-directory\lib\cdata.jdbc.salesforcedatacloud.jar;%WEBLOGIC_CLASSPATH%

In WebLogic 12.2.1 if you want to add the driver to a specific domain, you can simply place the driver JAR and .lic file into DOMAIN_HOME\lib; for example, ORACLE_HOME\user_projects\domains\MY_DOMAIN\lib. These files will be added to the server classpath at startup.

Earlier versions require that you manually add the driver to the classpath: Prepend the following to the PRE_CLASSPATH environment variable in setDomainEnv.cmd/sh. This script is located in the bin subfolder of the folder for that domain.

set PRE_CLASSPATH=your-installation-directory\lib\cdata.jdbc.salesforcedatacloud.jar;%PRE_CLASSPATH%

After making these changes, restart the server.

Create a JDBC Data Source for Salesforce Data Cloud

After deploying the driver, log into the WebLogic Administration Console and create the connection.

  1. In the Domain Structure tree, click Services -> Data Sources -> New -> Generic Data Source.
  2. On the JDBC Data Source Properties page, enter the following information:
    • Name: Enter a user-friendly name; for example, salesforcedatacloudjdbc.
    • JNDI Name: Enter the path the JDBC data source will be bound to; for example, jdbc/SalesforceDataCloud.
    • Database Type: Select Other.

  3. Click Next to use the default options. On the last page, enter the following information and click Test Configuration:

    • Driver Class Name: Enter the driver class, cdata.jdbc.salesforcedatacloud.SalesforceDataCloudDriver.
    • URL: Enter the JDBC URL. A typical JDBC URL is below:

      jdbc:salesforcedatacloud:InitiateOAuth=GETANDREFRESH

      Salesforce Data Cloud supports authentication via the OAuth standard.

      OAuth

      Set AuthScheme to OAuth.

      Desktop Applications

      CData provides an embedded OAuth application that simplifies authentication at the desktop.

      You can also authenticate from the desktop via a custom OAuth application, which you configure and register at the Salesforce Data Cloud console. For further information, see Creating a Custom OAuth App in the Help documentation.

      Before you connect, set these properties:

      • InitiateOAuth: GETANDREFRESH. You can use InitiateOAuth to avoid repeating the OAuth exchange and manually setting the OAuthAccessToken.
      • OAuthClientId (custom applications only): The Client ID assigned when you registered your custom OAuth application.
      • OAuthClientSecret (custom applications only): The Client Secret assigned when you registered your custom OAuth application.

      When you connect, the driver opens Salesforce Data Cloud's OAuth endpoint in your default browser. Log in and grant permissions to the application.

      The driver then completes the OAuth process as follows:

      • Extracts the access token from the callback URL.
      • Obtains a new access token when the old one expires.
      • Saves OAuth values in OAuthSettingsLocation so that they persist across connections.
      • For other OAuth methods, including Web Applications and Headless Machines, refer to the Help documentation.

        Built-in Connection String Designer

        For assistance in constructing the JDBC URL, use the connection string designer built into the Salesforce Data Cloud JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

        java -jar cdata.jdbc.salesforcedatacloud.jar

        Fill in the connection properties and copy the connection string to the clipboard.

      • Database User Name: Enter the username, if not specified in the JDBC URL.
      • Password: Enter the password, if not specified in the JDBC URL.

After selecting the server where you want to deploy the JDBC data source, you can now connect to Salesforce Data Cloud data.

More WebLogic Integration

The steps above show how configure the driver in a simple connection pooling scenario. For more use cases and information, see the JDBC sections in the WebLogic Data Sources chapter of the Oracle Fusion Middleware documentation.

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