How does Spring MVC handle multiple requests?

In Spring, every request is executed in a separate thread. For example, when two users want to log in at the same time, the JVM creates two threads: one thread for the first user and another one for the second user. And these threads work with the singleton bean separately.

Can we have more than one DispatcherServlet in Spring MVC?

A web application can define any number of DispatcherServlet instances. Each servlet will operate in its own namespace, loading its own application context with mappings, handlers, etc. Only the root application context as loaded by ContextLoaderListener, if any, will be shared.

What are the two types of controllers in Spring MVC explain the difference?

The @Controller is a common annotation which is used to mark a class as Spring MVC Controller while the @RestController is a special controller used in RESTFul web services and the equivalent of @Controller + @ResponseBody .

What are the types of controllers in Spring MVC?

Spring MVC also offers several controller classes designed for specific purposes, including:

• AbstractUrlViewController.
• MultiActionController.
• ParameterizableViewController.
• ServletForwardingController.
• ServletWrappingController.
• UrlFilenameViewController.

How does Spring handle multithreading?

If your Spring bean is stateless (it doesn’t have any fields, all fields are final or all of them are assigned only once), multiple threads can safely use the same bean, or even the same method.

How many concurrent requests can Spring boot handle?

3 Answers. Yes, Spring boot can handle simultaneously requests! If your servlet container is tomcat under the hood, it can handle 200 simultaneous requests. However, you can override this value by adding server.

Can we have multiple dispatcher servlets?

You can have as many DispatcherServlets as you want. Basically what you need to do is duplicate the configuration and give the servlet a different name (else it will overwrite the previous one), and have some separate configuration classes (or xml files) for it.

Which of the following controller combines multiple request handling methods into one controller?

It aggregates multiple request handling methods into single controller, so related functionality can be kept together easily.

Can we have multiple controllers in Spring MVC?

In Spring MVC, we can create multiple controllers at a time. It is required to map each controller class with @Controller annotation. Create the controller class. Provide the entry of controller in the web.

Can we have multiple controllers in spring boot?

What is the difference between @controller and RestController?

The @Controller is a annotation to mark class as Controller Class in Spring While @RestController is used in REST Web services and similar to @Controller and @ResponseBody. The key difference is that you do not need to use @ResponseBody on each and every handler method once you annotate the class with @RestController.

How do I add multiple controllers to a Spring MVC application?

Here, we see a Spring MVC example of multiple controllers. The steps are as follows: Load the spring jar files or add dependencies in the case of Maven 1. Add dependencies to pom.xml 2. Create the request page Let’s create a simple JSP page containing two links.

How to create a spring application with Maven and Spring Boot?

1 Load the spring jar files or add dependencies in the case of Maven 2 Create the controller class 3 Provide the entry of controller in the web.xml file 4 Define the bean in the separate XML file 5 Create the other view components 6 Start the server and deploy the project

How do I create a spring web MVC framework?

Let’s see the simple example of a Spring Web MVC framework. The steps are as follows: Load the spring jar files or add dependencies in the case of Maven 1. Add dependencies to pom.xml