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Connect to Microsoft CDS Data from a Connection Pool in Jetty

The Microsoft CDS JDBC Driver supports connection pooling: This article shows how to connect faster to Microsoft CDS data from Web apps in Jetty.

The CData JDBC driver for Microsoft CDS is easy to integrate with Java Web applications. This article shows how to efficiently connect to Microsoft CDS data in Jetty by configuring the driver for connection pooling. You will configure a JNDI resource for Microsoft CDS in Jetty.

Configure the JDBC Driver for Salesforce as a JNDI Data Source

Follow the steps below to connect to Salesforce from Jetty.

  1. Enable the JNDI module for your Jetty base. The following command enables JNDI from the command-line:

    java -jar ../start.jar --add-to-startd=jndi
  2. Add the CData and license file, located in the lib subfolder of the installation directory, into the lib subfolder of the context path.
  3. Declare the resource and its scope. Enter the required connection properties in the resource declaration. This example declares the Microsoft CDS data source at the level of the Web app, in WEB-INF\jetty-env.xml.

    <Configure id='microsoftcdsdemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="microsoftcdsdemo" class="org.eclipse.jetty.plus.jndi.Resource"> <Arg><Ref refid="microsoftcdsdemo"/></Arg> <Arg>jdbc/microsoftcdsdb</Arg> <Arg> <New class="cdata.jdbc.cds.CDSDriver"> <Set name="url">jdbc:cds:</Set> <Set name="OrganizationUrl">https://myaccount.crm.dynamics.com/InitiateOAuth</Set> </New> </Arg> </New> </Configure>

    You can connect without setting any connection properties for your user credentials. Below are the minimum connection properties required to connect.

    • InitiateOAuth: Set this to GETANDREFRESH. You can use InitiateOAuth to avoid repeating the OAuth exchange and manually setting the OAuthAccessToken.
    • OrganizationUrl: Set this to the organization URL you are connecting to, such as https://myorganization.crm.dynamics.com.
    • Tenant (optional): Set this if you wish to authenticate to a different tenant than your default. This is required to work with an organization not on your default Tenant.

    When you connect the Common Data Service OAuth endpoint opens in your default browser. Log in and grant permissions. The OAuth process completes automatically.

  4. Configure the resource in the Web.xml:

    jdbc/microsoftcdsdb javax.sql.DataSource Container
  5. You can then access Microsoft CDS with a lookup to java:comp/env/jdbc/microsoftcdsdb: InitialContext ctx = new InitialContext(); DataSource mymicrosoftcds = (DataSource)ctx.lookup("java:comp/env/jdbc/microsoftcdsdb");

More Jetty Integration

The steps above show how to configure the driver in a simple connection pooling scenario. For more use cases and information, see the Working with Jetty JNDI chapter in the Jetty documentation.