Connect to SingleStore Data from a Connection Pool in Jetty

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SingleStore JDBC Driver

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



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

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

    <Configure id='singlestoredemo' class="org.eclipse.jetty.webapp.WebAppContext"> <New id="singlestoredemo" class="org.eclipse.jetty.plus.jndi.Resource"> <Arg><Ref refid="singlestoredemo"/></Arg> <Arg>jdbc/singlestoredb</Arg> <Arg> <New class="cdata.jdbc.singlestore.SingleStoreDriver"> <Set name="url">jdbc:singlestore:</Set> <Set name="User">myUser</Set> <Set name="Password">myPassword</Set> <Set name="Database">NorthWind</Set> <Set name="Server">myServer</Set> <Set name="Port">3306</Set> </New> </Arg> </New> </Configure>

    The following connection properties are required in order to connect to data.

    • Server: The host name or IP of the server hosting the SingleStore database.
    • Port: The port of the server hosting the SingleStore database.
    • Database (Optional): The default database to connect to when connecting to the SingleStore Server. If this is not set, tables from all databases will be returned.

    Connect Using Standard Authentication

    To authenticate using standard authentication, set the following:

    • User: The user which will be used to authenticate with the SingleStore server.
    • Password: The password which will be used to authenticate with the SingleStore server.

    Connect Using Integrated Security

    As an alternative to providing the standard username and password, you can set IntegratedSecurity to True to authenticate trusted users to the server via Windows Authentication.

    Connect Using SSL Authentication

    You can leverage SSL authentication to connect to SingleStore data via a secure session. Configure the following connection properties to connect to data:

    • SSLClientCert: Set this to the name of the certificate store for the client certificate. Used in the case of 2-way SSL, where truststore and keystore are kept on both the client and server machines.
    • SSLClientCertPassword: If a client certificate store is password-protected, set this value to the store's password.
    • SSLClientCertSubject: The subject of the TLS/SSL client certificate. Used to locate the certificate in the store.
    • SSLClientCertType: The certificate type of the client store.
    • SSLServerCert: The certificate to be accepted from the server.

    Connect Using SSH Authentication

    Using SSH, you can securely login to a remote machine. To access SingleStore data via SSH, configure the following connection properties:

    • SSHClientCert: Set this to the name of the certificate store for the client certificate.
    • SSHClientCertPassword: If a client certificate store is password-protected, set this value to the store's password.
    • SSHClientCertSubject: The subject of the TLS/SSL client certificate. Used to locate the certificate in the store.
    • SSHClientCertType: The certificate type of the client store.
    • SSHPassword: The password that you use to authenticate with the SSH server.
    • SSHPort: The port used for SSH operations.
    • SSHServer: The SSH authentication server you are trying to authenticate against.
    • SSHServerFingerPrint: The SSH Server fingerprint used for verification of the host you are connecting to.
    • SSHUser: Set this to the username that you use to authenticate with the SSH server.
  4. Configure the resource in the Web.xml:

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

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.