Connect to CockroachDB Data from a Connection Pool in Jetty

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CockroachDB JDBC Driver

Rapidly create and deploy powerful Java applications that integrate with CockroachDB.



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

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

    <Configure id='cockroachdbdemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="cockroachdbdemo" class="org.eclipse.jetty.plus.jndi.Resource"> <Arg><Ref refid="cockroachdbdemo"/></Arg> <Arg>jdbc/cockroachdbdb</Arg> <Arg> <New class="cdata.jdbc.cockroachdb.CockroachDBDriver"> <Set name="url">jdbc:cockroachdb:</Set> <Set name="User">root</Set> <Set name="Password">root</Set> <Set name="Database">system</Set> <Set name="Server">localhost</Set> <Set name="Port">26257</Set> </New> </Arg> </New> </Configure>

    Set the following to connect to CockroachDB.

    • Server: The host name or IP address of the server.
    • Port: The port number of the CockroachDB server. If not specified, the default port is 26257.
    • Database: The name of the Cockroach database. If not specified, you connect to the user's default database.
    • User: The Cockroach DB user account used to authenticate.
    • Password: The password used to authenticate the user.
  4. Configure the resource in the Web.xml:

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

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.