![]() You can learn more about the Initializer here. As always, we need a good skeleton of the project it helps you to create a project structure/skeleton properly. The Spring Initializer is a web application that generates a Spring Boot project with everything you need to start it quickly. However, this is a very common question asked almost all of the time. It's often that you can't always expect questions that you have prepared. This may not be a difficult question, but the interviewer always checks the subject knowledge of the candidate. If you don't want the actuator to be enabled, then don't add the dependency. 5) How to enable/disable the Actuator?Įnabling/disabling the actuator is easy the simplest way is to enable features to add the dependency (Maven/Gradle) to the spring-boot-starter-actuator, i.e. Or else, we can configure custom security by the help of RequestMatcher. There is no need to worry about security if Spring Security is present, then these endpoints are secured by default using Spring Security’s content-negotiation strategy. But by using these endpoints, you can do many things to see here the endpoint docs. It provides a very easy way to access the few production-ready REST endpoints and fetch all kinds of information from the web. Automatically gathering and auditing health and metrics can then be applied to your application. what beans are created, the mapping in the controller, the CPU usage, etc. ![]() So, the Spring Actuator provides easy access to those kinds of features. But if you think about debugging and how to debug, if something goes wrong, we always need to analyze the logs and dig through the data flow of our application to check to see what's going on. Actuators can generate a large amount of motion from a small change."Īs we know, Spring Boot provides lots of auto-configuration features that help developers quickly develop production components. "An actuator is a manufacturing term that refers to a mechanical device for moving or controlling something. This is one of the most common interview questions in Spring Boot. ![]() =.jdbc.DataSourceAutoConfigurationĤ) What is Spring Actuator? What are its advantages? And you can add multiple classes with comma separated. You can add into the application.properties. By using Spring Boot provides the facility to control the list of auto-configuration classes to exclude by using the property. By using the other foot, if the class is not on the classpath, you can use the excludeName attribute of the annotation and specify the fully qualified name instead. You can use the exclude attribute of if you find any specific auto-configuration classes that you do not want are being applied. You can use the exclude attribute while using the annotation See the following code snippet: )ģ) How to disable a specific auto-configuration class? But Spring Boot provides a trickier option for achieving this without touching the component scan. ![]() There are different ways you can filter any package. 2) How to exclude any package without using the basePackages filter? But, as we know, Spring provided loosely coupled features that we can use for each individual annotation as per our project needs. Spring Boot enables the developer to use a single annotation instead of using multiple. 1) What does the annotation do internally?Īs per the Spring Boot doc, the annotation is equivalent to using and with their default attributes. These questions are a bit tricky and trending heavily, nowadays, in the job market. 100+ more The condition is true only if the user specified a DataSource in a The condition is true if the DataSource class is on the The condition is true if the CloudPlatform is set to The condition is true if the SpEL expression is The condition is true if the current Java version is The condition is true if the specified JNDI context The condition is true if the user did not specify a DataSource in any The condition is true if the DataSource class is not on the The condition is true if the application is not a web The condition is true if my.property is The condition is true if my.In this article, we will discuss some top 10 interview questions in Spring Boot. dao.PersistenceExceptionTranslationAutoConfiguration,\ context.PropertyPlaceholderAutoConfiguration,\ context.MessageSourceAutoConfiguration,\ context.ConfigurationPropertiesAutoConfiguration,\ cloud.CloudServiceConnectorsAutoConfiguration,\ admin.SpringApplicationAdminJmxAutoConfiguration,\
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