Despite Tomcat being the default embedded container in Spring Boot, we are not limited to only one. Spring Boot provides you with ready-to-use starters for Jetty and Undertow as well, so we have a choice of containers.
If we decide that we want to use Jetty as our servlet container, we will need to add a Jetty starter to our build file.
As Tomcat already comes as a transitive dependency of Spring Boot, we will need to exclude it from our build dependency tree by adding the following to
build.gradle:configurations { compile.exclude module: "spring-boot-starter-tomcat" }We will also need to add a compile dependency to our build dependencies on Jetty:
compile("org.springframework.boot:spring-boot-starter-jetty")To fix the compiler errors, we will need to remove the bean declaration of Tomcat's
RemoteIpFilterfrom ourWebConfigurationclass as the Tomcat dependency has been removed.Start the application by running
./gradlew clean bootRun.If we...