If you are a spring developer then you might have a small confusion about the annotation processing inside spring’s IOC container. Spring MVC framework provides different configuration elements that are helping or instructing the Spring container to effectively manage the beans and inject the beans when required. Some of the XML configurations that are most […]

Understanding the difference between ApplicationContext and WebApplicationContext for Spring developers is important. There are various context names available in the spring framework that are used based on the type of application. The most common ambiguity due to the two different context configuration files used for configuring the spring applications. The question comes to developers mind […]

Spring 3.1 has introduced a new feature for configuring the deployment descriptor using the Java Config approach. We don’t need to write the web.xml file for initializing the web applications. Everything can be done through a Java class itself. The Java class has to implement the org.springframework.web.WebApplicationInitializer which will be loaded when web application starts. […]

This example provides the steps to write your own 404 Resource Not Found error page for your application. Here I am writing a custom exception for 404 error using the HttpStatus.NOT_FOUND. This will be annotated as the exception @ExceptionHandler in the controller. Whenever there is any error thrown on this type, it will be redirected […]

RequestContextHolder is a spring API for setting the values to any of three scopes request, session or global session. Note that in some situations, we may not be able to get the actual request from the request, we can simply use RequestContextHolder to get the request attributes and set the values. We have to explicitly […]

This tutorial explains how to redirect to a new URL inside the Spring MVC controller. There is attribute “redirect” which can be prefixed to the view name to indicate that the new request should be a redirected one. also read: Spring 4 Tutorials Introduction to Spring MVC Framework 1. Spring MVC Controller SpringMVCController.java 2. Views […]

This example shows how to use the dependsOn attribute for loading the depended beans referenced by another bean. dependsOn is a attribute as part of the bean tag and it takes the comma separated bean names which are loaded before the actual bean is instantiated. Lets look at the syntax for using the dependsOn attribute. […]

This example shows how to pass the multiple parameters to the Spring controller. In our previous article, I have explained how to use the @PathVariable to pass the parameters to the controller. This example shows a simple example on how to pass multiple parameters using the @PathVariable. 1. Spring Controller HelloController.java 2. Spring Configuration spring-dispatcher-servlet.xml […]