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Get the Report →Connect to Cloudant Data from a Connection Pool in Jetty
The Cloudant JDBC Driver supports connection pooling: This article shows how to connect faster to Cloudant data from Web apps in Jetty.
The CData JDBC driver for Cloudant is easy to integrate with Java Web applications. This article shows how to efficiently connect to Cloudant data in Jetty by configuring the driver for connection pooling. You will configure a JNDI resource for Cloudant in Jetty.
Configure the JDBC Driver for Salesforce as a JNDI Data Source
Follow the steps below to connect to Salesforce from Jetty.
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
- Add the CData and license file, located in the lib subfolder of the installation directory, into the lib subfolder of the context path.
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Declare the resource and its scope. Enter the required connection properties in the resource declaration. This example declares the Cloudant data source at the level of the Web app, in WEB-INF\jetty-env.xml.
<Configure id='cloudantdemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="cloudantdemo" class="org.eclipse.jetty.plus.jndi.Resource"> <Arg><Ref refid="cloudantdemo"/></Arg> <Arg>jdbc/cloudantdb</Arg> <Arg> <New class="cdata.jdbc.cloudant.CloudantDriver"> <Set name="url">jdbc:cloudant:</Set> <Set name="User">abc123</Set> <Set name="Password">abcdef</Set> </New> </Arg> </New> </Configure>
Set the following connection properties to connect to Cloudant:
- User: Set this to your username.
- Password: Set this to your password.
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Configure the resource in the Web.xml:
jdbc/cloudantdb javax.sql.DataSource Container -
You can then access Cloudant with a lookup to java:comp/env/jdbc/cloudantdb:
InitialContext ctx = new InitialContext(); DataSource mycloudant = (DataSource)ctx.lookup("java:comp/env/jdbc/cloudantdb");
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.