How to create a spring bean using JNDI?
Using jee namespace tag to perform the JNDI lookup and configure it as a Spring Bean. We also need to include jee namespace and schema definition in this case. Creating a bean of type org.springframework.jndi.JndiObjectFactoryBean by passing the JNDI context name. jndiName is a required parameter for this configuration.
Which is better DataSource with Tomcat or JNDI?
We know that DataSource with JNDI is the preferred way to achieve connection pooling and get benefits of container implementations. Today we will look how we can configure a Spring Web Application to use JNDI connections provided by Tomcat.
Can a container setup the JNDI tree for You?
When you deploy your application inside an application server, the container will setup the JNDI tree for you. But if you are writing a framework or just a standalone application, then the following examples will show you how to construct and bind references to DBCP datasources.
How is JNDI context lookup performed in Tomcat?
Tomcat uses the thread context class loader to determine which JNDI context a lookup should be performed against. You’re binding the resource into the web app’s JNDI context so you need to ensure that the lookup is performed when the web app’s class loader is the thread context class loader.
Why do we need bean class in spring?
Of course, bean classes in a Spring environment may lookup e.g. a DataSource from JNDI themselves. This class simply enables central configuration of the JNDI name, and easy switching to non-JNDI alternatives. The latter is particularly convenient for test setups, reuse in standalone clients, etc.
Is there a JMS listener for Spring Boot?
I also had a hard time figuring out how to implement a Spring Boot JMS Listener, listening to an ActiveMQ queue within a JBoss application server. ActiveMQ is supported by Spring Boot autoconfiguration, but since it was inside the JBoss server Spring Boot was failing to connect ActiveMQ.
What are the important points about spring DataSource class?
Important Points about the Controller class are: DataSource will be wired by Spring Bean configuration with name dbDataSource. We are using JdbcTemplate to avoid common errors such as resource leak and remove JDBC boiler plate code. URI to retrieve the list of Employee will be https:// {host}: {port}/SpringDataSource/rest/emps