Creating a JDBC Data Source

You can create a JDBC data source to connect from your Java application. Creating a JDBC data source based on the CData JDBC Driver for Apache HBase consists of three basic steps:

• Add the driver JAR file to the classpath. The JAR file is located in the lib subfolder of the installation directory. Note that the .lic file must be located in the same folder as the JAR file.
• Provide the driver class. For example:
  

  cdata.jdbc.apachehbase.ApacheHBaseDriver

• Provide the JDBC URL. For example:
  

  jdbc:apachehbase:Server=127.0.0.1;Port=8080;
  
  or
  
  jdbc:cdata:apachehbase:Server=127.0.0.1;Port=8080;

  The second format above can be used whenever there is a conflict in your application between drivers using the same URL format to ensure you are using the CData driver. The URL must start with either "jdbc:apachehbase:" or "jdbc:cdata:apachehbase:" and can include any of the connection properties in name-value pairs separated with semicolons.

Before You Connect

Different Hadoop distributions contain different interfaces and means of starting and stopping the HBase REST server, along with different default port settings.

In most distributions, the HBase REST server can be started in the foreground by running the following command: hbase rest start -p <port>.

Please consult your Hadoop distribution's documentation for further information regarding the HBase REST server.

Connecting to Apache HBase

The CData JDBC Driver for Apache HBase connects to Apache HBase via the HBase REST (Stargate) server. Set the following to connect to Apache HBase:

• Server: This will typically be the host name or IP address of the server hosting Apache HBase. If there are multiple nodes, use the host name or IP address of the machine running the REST (Stargate) server.
• Port: Set this to the port for the Apache HBase REST (Stargate) server.

Authenticating to Apache HBase

The CData JDBC Driver for Apache HBase supports the following authentication schemes:

• Anonymous
• Basic
• Negotiate (Kerberos)

Anonymous

By default, no authentication (alternatively known as "anonymous" authentication) is used. Set AuthScheme to None to explicitly enforce no authentication.

Basic

To use Basic authentication, set the following:

• AuthScheme: Set this to Basic.
• User: Set this to the Apache HBase user.
• Password: Set this to the Apache HBase password.

Kerberos

To authenticate with Kerberos, set AuthScheme to NEGOTIATE and set the User and Password. Please see Using Kerberos for details on how to authenticate with Kerberos.