Spring boot enable/disable embedded tomcat with profile

Question

I'm writing a Spring Boot application that uses one of several @Configuration classes depending on which @Profile is set in the application.propertiesfile.

One of those Configuration classes uses a REST interface, and therefore I'm including spring-boot-starter-web as a dependency.

This starts up an embedded Tomcat instance, which is fine.

The problem is, the other profiles don't need an embedded server (e.g. I'm using JMS to handle incoming messages instead of REST).

Is there any way to stop the @SpringBootApplication from starting up Tomcat by default, and only using it for the REST Configuration class? E.g., by annotating that class with @EnableWebMVC

Here's an example of my @Configurationclasses:

REST:

@Profile({"REST"}) @Configuration @EnableWebMvc public class HttpConfiguration{  .  .  . } 

JMS:

@Profile({"JMS"}) @Configuration @EnableJms public class JMSConfiguration{  .  .  . } 

Thanks

Answer 1

Use

@SpringBootApplication(exclude = {EmbeddedServletContainerAutoConfiguration.class,                                    WebMvcAutoConfiguration.class}) 

to exclude Spring Boot's auto-configuration for embedded servlet containers. Additionally, you need to set the following property for the non-REST cases, so that Spring Boot won't try to start a WebApplicationContext (which needs a servlet container):

spring.main.web-environment=false 

Then enable the embedded Tomcat in your REST profile by importing EmbeddedServletContainerAutoConfiguration.class (this delays the autoconfiguration until after the REST profile has been loaded:

@Profile({"REST"}) @Configuration @Import(EmbeddedServletContainerAutoConfiguration.class) public class HttpConfiguration {     // ... } 

If you are using any EmbeddedServletContainerCustomizers, you also need to import EmbeddedServletContainerCustomizerBeanPostProcessorRegistrar.class.

Answer 2

As of Spring Boot 2.0 only spring.main.web-application-type=none in the relevant profile do the trick.

If you use a multi-document application.yml with Spring Boot 2.0, adding this block and replacing no-web-profile-name with the profile that shouldn't have an embedded web server should work:

--- spring:   profiles: no-web-profile-name   main:     web-application-type: none