What is Spring profile?

Spring @Profile allow developers to register beans by condition. For example, register beans based on what operating system (Windows, *nix) your application is running, or load a database properties file based on the application running in development, test, staging or production environment.

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Correspondingly, what is spring boot profile?

Spring provides a mighty tool for grouping configuration properties into so-called profiles, allowing us to activate a bunch of configurations with a single profile parameter. Spring Boot builds on top of that by allowing us to configure and activate profiles externally.

Also Know, what is profile in Java? A profile is a named logical grouping that may be activated programmatically via ConfigurableEnvironment. setActiveProfiles(java. lang. profiles. active property as a JVM system property, as an environment variable, or as a Servlet context parameter in web.

In this manner, what is the default spring profile?

Default profile used by Spring profile is the default. All the beans with no profile annotation are specified belongs to the default profile. We can also set default profile in Spring Boot by @Profile("default") or @Profile({"default","development"}).

How does Spring profile work?

Spring @Profile allow developers to register beans by condition. For example, register beans based on what operating system (Windows, *nix) your application is running, or load a database properties file based on the application running in development, test, staging or production environment.

31 Related Question Answers Found

What is @configuration in spring?

Spring @Configuration annotation is part of the spring core framework. Spring Configuration annotation indicates that the class has @Bean definition methods. So Spring container can process the class and generate Spring Beans to be used in the application.

What is Yaml in spring boot?

In Spring Boot, we can use YAML files instead of properties files. YAML is a human-friendly data serialization standard but is mainly used for configuration files. YAML stands for YAML Ain't Markup Language (a recursive acronym). Spring Framework provides two convenient classes that can be used to load YAML documents.

What is Yml file in spring boot?

In a Spring Boot application, you can externalize configuration to work with the same application code in different environments. The application. yml file is one of the many ways to externalize configuration. Spring Boot will look for a application. yml file on the classpath.

What is the spring boot starter that has to be added for logging?

When using starters, Logback is used for logging by default.

Spring Boot pre-configures it with patterns and ANSI colors to make the standard output more readable.

How do I use multiple datasource in spring boot?

Using multiple datasources with Spring Boot and Spring Data ?? ⇄?? ⇄ ??

Add an additional datasource configuration to your application.properties.
Set the SQL Dialect to “default” in your application.properties to let Spring autodetect the different SQL Dialects of each datasource.

Where is application properties in spring boot?

Spring Boot Framework comes with a built-in mechanism for application configuration using a file called application. properties. It is located inside the src/main/resources folder, as shown in the following figure. Spring Boot provides various properties that can be configured in the application.

How does Autoconfig work in spring boot?

Autoconfiguration is a feature that allows library developers to automatically configure beans in the Spring context based on different conditions of the application, such as the presence of certain classes in the classpath, the existence of a bean or the activation of some property.

What is @profile annotation in spring?

Spring 3.1 introduced the annotation @Profile. Profile annotation is a logical grouping that can be activated programmatically. It can be used on type-level annotation on any class or it can be used as a meta-annotation for composing custom stereotype annotations or as a method-level annotation on any @Bean method.

How read properties file in spring?

Reading properties file in Spring using XML configuration

Then you can use ${property key} placeholders in <bean> definitions. In order to resolve these placeholders you must register a PropertySourcesPlaceholderConfigurer. This happens automatically when using <context:property-placeholder> in XML.

What is spring boot classpath?

It's a path inside your project where you place resources. During the build step, Maven will take files in there and place them in the appropriate place for you to use them in your runtime classpath, eg in an executable . jar , some physical file system location used in the classpath (with java 's -cp option), etc.

How do I enable debugging in spring boot?

You can enable debug logging by specifying --debug when starting the application from the command-line. Spring Boot provides also a nice starting point for logback to configure some defaults, coloring etc. the base. xml file which you can simply include in your logback.

How do I disable spring logging?

To disable logging in console, cleanest way is to create custom logging configuration file ( logback. xml or log4j2. xml ) and do not provide any definition of console appender. If not using configuration files, we can use the property logging.

What is bean in spring?

The objects that form the backbone of your application and that are managed by the Spring IoC container are called beans. A bean is an object that is instantiated, assembled, and otherwise managed by a Spring IoC container. These beans are created with the configuration metadata that you supply to the container.

Which is the spring boot starter that has to be added to include FreeMarker template engine?

It uses Tomcat as the default embedded container. The spring-boot-starter-freemarker is starter for building Spring MVC applications with FreeMarker. The spring-boot-starter-jdbc is a starter for using JDBC in Spring Boot. This is City bean class.

What is spring boot actuator?

Spring Boot Actuator. Spring Boot Actuator is a sub-project of the Spring Boot Framework. It contains the actuator endpoints (the place where the resources live). We can use HTTP and JMX endpoints to manage and monitor the Spring Boot application.

What is spring boot RestTemplate?

The RestTemplate is the central class within the Spring framework for executing synchronous HTTP requests on the client side. Like Spring JdbcTemplate, RestTemplate is also a high-level API, which in turn is based on an HTTP client. By default, the class java. Configuring the HTTP request. Executing the HTTP request.

What is a profiling tool?

Profiling is achieved by instrumenting either the program source code or its binary executable form using a tool called a profiler (or code profiler). Profilers may use a number of different techniques, such as event-based, statistical, instrumented, and simulation methods.