Development Process

This section describes how to use Java APIs to develop HBase applications.

Figure 1 and Table 1 describe the phases in the development process.

Figure 1 HBase application development process

**Table 1** HBase application development process
Step	Description	Reference
Prepare the development environment.	Before you start development, prepare the development environment. You are advised to use the Java language and IntelliJ IDEA tool to develop applications, and complete initial configurations of JDK and Maven.	Preparing the Development Environment
Prepare the configuration file for connecting to the cluster.	During the development or a test run of the program, you need to use the cluster configuration files to connect to an MRS cluster. The configuration files usually contain the cluster component information file and user files used for security authentication. You can obtain the required information from the created MRS cluster. Nodes used for program debugging or running must be able to communicate with the nodes within the MRS cluster, and the hosts domain name must be configured.	Preparing the Configuration Files for Connecting to the Cluster
Configure and import the sample project.	HBase provides a range of sample projects for different scenarios. You can obtain a sample project and import it to the local development environment.	Configuring and Importing a Sample Project
Configure security authentication.	If you are using an MRS cluster with Kerberos authentication enabled, security authentication is required.	Preparing for Security Authentication
Write program code for a service scenario.	Develop the program based on actual service scenarios and call component APIs to implement required functions.	Developing an Application
Compile and run the program.	Compile and run the program. You can debug and run the program in the local Windows development environment, or compile the program into a JAR package and submit it to a Linux node.	Application Commissioning