springboot不使用内置tomcat启动，用jetty或undertow

Spring Boot启动程序通常使用Tomcat作为默认的嵌入式服务器。如果需要更改 - 您可以排除Tomcat依赖项并改为包含Jetty或Undertow：

jetty配置：

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <exclusions>
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-jetty</artifactId>
</dependency>

@Bean
public JettyEmbeddedServletContainerFactory  jettyEmbeddedServletContainerFactory() {
    JettyEmbeddedServletContainerFactory jettyContainer = 
      new JettyEmbeddedServletContainerFactory();
     
    jettyContainer.setPort(9000);
    jettyContainer.setContextPath("/springbootapp");
    return jettyContainer;
}

undertow配置:

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <exclusions>
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-undertow</artifactId>
</dependency>

@Bean
public UndertowEmbeddedServletContainerFactory embeddedServletContainerFactory() {
    UndertowEmbeddedServletContainerFactory factory = 
      new UndertowEmbeddedServletContainerFactory();
     
    factory.addBuilderCustomizers(new UndertowBuilderCustomizer() {
        @Override
        public void customize(io.undertow.Undertow.Builder builder) {
            builder.addHttpListener(8080, "0.0.0.0");
        }
    });
     
    return factory;
}

9.在引导应用程序中配置Jetty或Undertow

Spring Boot启动程序通常使用Tomcat作为默认的嵌入式服务器。如果需要更改 - 您可以排除Tomcat依赖项并改为包含Jetty或Undertow：

配置Jetty

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<dependency>     <groupId>org.springframework.boot</groupId>     <artifactId>spring-boot-starter-web</artifactId>     <exclusions>         <exclusion>             <groupId>org.springframework.boot</groupId>             <artifactId>spring-boot-starter-tomcat</artifactId>         </exclusion>     </exclusions> </dependency> <dependency>     <groupId>org.springframework.boot</groupId>     <artifactId>spring-boot-starter-jetty</artifactId> </dependency>

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@Bean public JettyEmbeddedServletContainerFactory  jettyEmbeddedServletContainerFactory() {     JettyEmbeddedServletContainerFactory jettyContainer =       new JettyEmbeddedServletContainerFactory();           jettyContainer.setPort(9000);     jettyContainer.setContextPath("/springbootapp");     return jettyContainer; }

配置Undertow

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<dependency>     <groupId>org.springframework.boot</groupId>     <artifactId>spring-boot-starter-web</artifactId>     <exclusions>         <exclusion>             <groupId>org.springframework.boot</groupId>             <artifactId>spring-boot-starter-tomcat</artifactId>         </exclusion>     </exclusions> </dependency> <dependency>     <groupId>org.springframework.boot</groupId>     <artifactId>spring-boot-starter-undertow</artifactId> </dependency>

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@Bean public UndertowEmbeddedServletContainerFactory embeddedServletContainerFactory() {     UndertowEmbeddedServletContainerFactory factory =       new UndertowEmbeddedServletContainerFactory();           factory.addBuilderCustomizers(new UndertowBuilderCustomizer() {         @Override         public void customize(io.undertow.Undertow.Builder builder) {             builder.addHttpListener(8080, "0.0.0.0");         }     });           return factory; }