Java IV: Web Services Development CEJV659

Configuring Glassfish for MySQL

REST, JPA, NetBeans and GlassFish

NetBeans provides wizards for creating RESTful CRUD applications

They can be created from either existing JPA entities or directly from a database

The wizards create stateless session beans for the web service

While TomEE supports session beans the wizard generates code that is not compatible with TomEE

Therefore we need to use the GlassFish server

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REST, JPA, NetBeans and Glassfish

A second problem is the database support in GlassFish When installed this server is configured with the Derby

sample database The purpose of these slides is show how to configure

GlassFish for MySQL and then use the wizards The database we will use is the single table Aquarium The goal is to create web services that sample programs

used in Java II and Java III can use

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MySQL

Before you can configure GlassFish you must have MySQL running and the database created

Next, you must copy the mysql driver to GlassFish Download the latest driver from MySQL For Windows it is now an install (msi) file When run the driver will be found in

C:\Program Files (x86)\MySQL\MySQL Connector J\ Copy mysql-connector-java-5.1.30-bin.jar to

glassfish-install-path\domains\domain-name\lib If GlassFish is running then restart the server04/10/2023 4

Configuring Glassfish

Step 1 On the Services tab open Servers and right mouse click

on GlassFish Server 4 Select Start Once GlassFish is running right mouse click on

GlassFish Server 4 again and click on View Domain Admin Console

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Resource and Connection Pool

To work with a database you need to configure the resource and the pool

Resources provide applications a means to connect to a database

Connection Pools provide reusable connections to the database

The application uses a resource to access the database and the resource uses the pool to get a connection

We need to create the pool before the resource

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JDBC Connection Pool

Select JDBC Connection Pool on the tree and then select New on the table that appears.

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JDBC Connection Pool

Fill in the form as shown and click on Next.

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JDBC Connection Pool

The next form has been filled out based on the choice of MySQL as the database

Nothing has to be changed except that you should check Ping: Enabled

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JDBC Connection Pool

If you scroll down on the form you will come to Additional Properties

After adding the 4 values click on Finish

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JDBC Connection Pool

This what you should see

If the Ping was not successful just delete the resource or even the pool and start over.

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JDBC Resource

A connection pool object will now manage the connections to the database

Our application needs to request a connection from this object that is not part of our application

The Java Naming and Directory Interface (JNDI) allows us to refer to an object that belongs to another process, such as GlassFish, by a name

A JDBC Resource allows you to assign a JNDI name for the connection pool you wish to use

When your code uses a JNDI name the object is located and made available

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JDBC Resource

From the Common Tasks select JDBC Resources

Click on New

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JDBC Resource

Now you need to give the resource its JNDI name It usually begins with a prefix that identifies the type of resource

followed by the name you have chosen such as jdbc/aquarium Select the pool to associate with the resource from the drop down

Pool Name.

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JDBC Resource

Here is what you should see if you have been successful

You are now ready to use the NetBeans wizards

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