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我们最近从 spring MVC 迁移到 spring boot 1.5.4，我们已经将 dispatcher servlet 从 web.xml 移动到 bean，但是现在我们想要删除这个显式的 dispatcher servlet 并希望使用一个嵌入式的。当我们移除这个 bean 并在外部 tomcat 上部署应用程序并尝试访问 API 时，我们得到 404。我们的应用程序中有一个自定义配置，它也是多模块的，因此我们无法启用 @EnableAutoConfiguration。请帮助我删除 servlet 调度程序并启用嵌入的 spring boot。注意：很少有其他 servlet，例如 DwrServlet 和 CXFServlet

主班

@SpringBootConfiguration
@ComponentScan(lazyInit = true, basePackages = {"com.abc"})
@ImportResource({
        "classpath:spring/applicationContext-resources.xml",
        "classpath:common-applicationContext-dao.xml",
        "classpath:common-applicationContext-service.xml",
        "classpath:common-applicationContext.xml",
        "classpath:core-applicationContext.xml",
        "classpath:spring/applicationContext-validation.xml",
        "classpath:spring/security.xml",
        "classpath:custom-monitoring-spring.xml"})
@EnableAutoConfiguration
public class WebApplication extends SpringBootServletInitializer {

  public WebApplication() {
        setRegisterErrorPageFilter(false);
  }

  @Override
  protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(WebApplication.class);
  }

  @Override
  public void onStartup(ServletContext servletContext) throws ServletException {
    servletContext.setInitParameter("javax.servlet.jsp.jstl.fmt.localizationContext", "ApplicationResources");
    servletContext.setInitParameter("javax.servlet.jsp.jstl.fmt.fallbackLocale", "en");
    super.onStartup(servletContext);
  }

  public static void main(String[] args) throws Exception {
        SpringApplication.run(WebApplication.class, args);
    }
}

我要删除的 Dispatcher Servlet bean

@Bean
public ServletRegistrationBean dispatcherServlet() {
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean();
        servletRegistrationBean.setServlet(new DispatcherServlet());
        servletRegistrationBean.setName("dispatcher");
        servletRegistrationBean.setLoadOnStartup(1);
        servletRegistrationBean.addInitParameter("contextAttribute", "org.springframework.web.context.WebApplicationContext.ROOT");
        servletRegistrationBean.addUrlMappings("/app/*");
        return servletRegistrationBean;
}
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