Connect to IBM Informix Data from a Connection Pool in Jetty

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IBM Informix JDBC Driver

Rapidly create and deploy powerful Java applications that integrate with IBM Informix.

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

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

    <Configure id='ibminformixdemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="ibminformixdemo" class=""> <Arg><Ref refid="ibminformixdemo"/></Arg> <Arg>jdbc/ibminformixdb</Arg> <Arg> <New class="cdata.jdbc.informix.InformixDriver"> <Set name="url">jdbc:informix:</Set> <Set name="Server"></Set> <Set name="Port">50000</Set> <Set name="User">admin</Set> <Set name="Password">admin</Set> <Set name="Database">test</Set> </New> </Arg> </New> </Configure>

    Set the following properties to connect to IBM Informix

    • Server: Set this to the name of the server running IBM Informix.
    • Port: Set this to the port the IBM Informix server is listening on.
    • Database: Set this to the name of the IBM Informix database.
    • User: Set this to the username of a user allowed to access the database.
    • Password: Set this to the password of a user allowed to access the database.
  4. Configure the resource in the Web.xml:

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

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.