Configure the CData JDBC Driver for Bullhorn CRM in a Connection Pool in Tomcat



Connect to Bullhorn CRM data from a connection pool in Tomcat.

The CData JDBC Drivers support standard JDBC interfaces to integrate with Web applications running on the JVM. This article details how to connect to Bullhorn CRM data from a connection pool in Tomcat.

Connect to Bullhorn CRM Data through a Connection Pool in Tomcat

  1. Copy the CData JAR and CData .lic file to $CATALINA_HOME/lib. The CData JAR is located in the lib subfolder of the installation directory.
  2. Add a definition of the resource to the context. Specify the JDBC URL here.

    Begin by providing your Bullhorn CRM account credentials in the following:

    If you are uncertain about your data center code, codes like CLS2, CLS21, etc. are cluster IDs that are contained in a user's browser URL (address bar) once they are logged in.

    Example: https://cls21.bullhornstaffing.com/BullhornSTAFFING/MainFrame.jsp?#no-ba... indicates that the logged in user is on CLS21.

    Authenticating with OAuth

    Bullhorn CRM uses the OAuth 2.0 authentication standard. To authenticate using OAuth, create and configure a custom OAuth app. See the Help documentation for more information.

    Built-in Connection String Designer

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

    java -jar cdata.jdbc.bullhorncrm.jar

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

    You can see the JDBC URL specified in the resource definition below.

    <Resource name="jdbc/bullhorncrm" auth="Container" type="javax.sql.DataSource" driverClassName="cdata.jdbc.bullhorncrm.BullhornCRMDriver" factory="org.apache.tomcat.jdbc.pool.DataSourceFactory" url="jdbc:bullhorncrm:DataCenterCode=CLS33;OAuthClientId=myoauthclientid;OAuthClientSecret=myoauthclientsecret;InitiateOAuth=GETANDREFRESH" maxActive="20" maxIdle="10" maxWait="-1" />

    To allow a single application to access Bullhorn CRM data, add the code above to the context.xml in the application's META-INF directory.

    For a shared resource configuration, add the code above to the context.xml located in $CATALINA_BASE/conf. A shared resource configuration provides connectivity to Bullhorn CRM for all applications.

  3. Add a reference to the resource to the web.xml for the application. Bullhorn CRM data JSP jdbc/BullhornCRM javax.sql.DataSource Container
  4. Initialize connections from the connection pool: Context initContext = new InitialContext(); Context envContext = (Context)initContext.lookup("java:/comp/env"); DataSource ds = (DataSource)envContext.lookup("jdbc/BullhornCRM"); Connection conn = ds.getConnection();

More Tomcat Integration

The steps above show how to connect to Bullhorn CRM data in a simple connection pooling scenario. For more use cases and information, see the JNDI Datasource How-To in the Tomcat documentation.

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