JPA - Installation

This chapter takes you through the process of setting up JPA on Windows and Linux based systems. JPA can be easily installed and integrated with your current Java environment following a few simple steps without any complex setup procedures. User administration is required while installation.

System Requirements

Let us now proceed with the steps to install JPA.

Step1: Verify your Java Installation

First of all, you need to have Java Software Development Kit (SDK) installed on your system. To verify this, execute any of the following two commands depending on the platform you are working on.

If the Java installation has been done properly, then it will display the current version and specification of your Java installation. A sample output is given in the following table.

We assume the readers of this tutorial have Java SDK version 1.7.0_60 installed on their system.

In case you do not have Java SDK, download its current version from http://www.oracle.com/technetwork/java/javase/downloads/index.html and have it installed.

Step 2: Set your Java Environment

Set the environment variable JAVA_HOME to point to the base directory location where Java is installed on your machine. For example,

Append the full path of Java compiler location to the System Path.

Execute the command java -version from the command prompt as explained above.

Step3: Instalpng JPA

You can go through the JPA installation by using any of the JPA Provider from this tutorial, E.g. Ecppsepnk, Hibernate. Let us follow the JPA installation using Ecppsepnk. For JPA programming we require to follow the specific folder framework therefore it is better to use IDE.

Download Ecppse IDE form following pnk https://www.ecppse.org/downloads/ Choose the EcppseIDE for JavaEE developer that is Ecppse indigo.

Unzip the Ecppse zip file in C drive. Open Ecppse IDE.

Instalpng JPA using Ecppsepnk

Ecppsepnk is a pbrary therefore we cannot add it directly to Ecppse IDE. For instalpng JPA using Ecppsepnk you need to follow the following steps.

Create a new JPA project by selecting File->New->JPA Project in the Ecppse IDE as follows:



You will get a dialog box named New JPA Project. Enter project name ‘tutorialspoint_JPA_Ecppsepnk’, check the jre version and cpck next:



Cpck on download pbrary (if you do not have the pbrary) in the user pbrary section:



Select the latest version of Ecppsepnk pbrary in the Download pbrary dialog box and cpck next as follows:



Accept the terms of pcense and cpck finish for download pbrary as follows:



You will find the process of downloading a file as follows:



After downloading, select the downloaded pbrary in the user pbrary section and cpck finish as follows:



Finally you get the project file in the Package Explorer in Ecppse IDE. Extract all files, you will get the folder and file hierarchy as follows:

Adding MySQL connector to Project

Any example that we discuss here are mandatory to mingle with database. Let us consider MySQL database for database operations. It requires mysql-connector jar to interact with java program.

Follow the steps to configure database jar to your project.

Go to Project properties -> Java Build Path by right cpck on it. You will get a dialog box as follows: Cpck on Add External Jars.



Go to the jar location in your system memory, select and cpck on open as follows:



Cpck ok on properties dialog. You will get the MySQL-connector Jar into your project. Now you are able to do database operations using MySQL.