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Connect to SAP Data from a Connection Pool in Jetty

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

The CData JDBC driver for SAP is easy to integrate with Java Web applications. This article shows how to efficiently connect to SAP data in Jetty by configuring the driver for connection pooling. You will configure a JNDI resource for SAP 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 SAP data source at the level of the Web app, in WEB-INF\jetty-env.xml.

    <Configure id='sapdemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="sapdemo" class=""> <Arg><Ref refid="sapdemo"/></Arg> <Arg>jdbc/sapdb</Arg> <Arg> <New class="cdata.jdbc.saperp.SAPERPDriver"> <Set name="url">jdbc:saperp:</Set> <Set name="Host"></Set> <Set name="User">EXT90033</Set> <Set name="Password">xxx</Set> <Set name="Client">800</Set> <Set name="System Number">09</Set> <Set name="ConnectionType">Classic</Set> <Set name="Location">C:/mysapschemafolder</Set> </New> </Arg> </New> </Configure>

    The driver supports connecting to an SAP system using the SAP Java Connector (SAP JCo). Install the files (sapjco3.jar and sapjco3.dll) to the appropriate directory for the hosting application or platform. See the "Getting Started" chapter in the help documentation for information on using the SAP JCo files.

    In addition, you can connect to an SAP system using Web services (SOAP). To use Web services, you must enable SOAP access to your SAP system and set the Client, RFCUrl, User, and Password properties, under the Authentication section.

    For more information, see this guide on obtaining the connection properties needed to connect to any SAP system.

  4. Configure the resource in the Web.xml:

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

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.