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Apache Cassandra Icon Cassandra JDBC Driver

Connect Java applications with the Cassandra real-time NoSQL cloud database service. Use Apache Cassandra as the big data backend that powers your Java/J2EE applications.

Connect to Cassandra Data from a Connection Pool in Jetty

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

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

    <Configure id='cassandrademo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="cassandrademo" class=""> <Arg><Ref refid="cassandrademo"/></Arg> <Arg>jdbc/cassandradb</Arg> <Arg> <New class="cdata.jdbc.cassandra.CassandraDriver"> <Set name="url">jdbc:cassandra:</Set> <Set name="Database">MyCassandraDB</Set> <Set name="Port">7000</Set> <Set name="Server"></Set> </New> </Arg> </New> </Configure>

    Set the Server, Port, and Database connection properties to connect to Cassandra. Additionally, to use internal authentication set the User and Password connection properties.

  4. Configure the resource in the Web.xml:

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

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.