构建动态网络项目,无需Maven



我在动态Web项目中与Jersey一起制作了Web服务。现在,我想在不使用Maven的情况下构建它(我们的教授不会让我们使用Maven)。我在Tomcat 9.0服务器上运行该项目。它运行完美,但是当我访问localhost:8080/agendarest/contactos时,我会收到404错误。

服务:

@Path("/contactos")
public class ContactoService {
    private static final long serialVersionUID = 1L;
    @GET
    @Produces("application/json")
    public Response getUsers() throws JSONException{
        List<Contacto> contactos = new ArrayList<>();
        contactos.add(new Contacto("pedro", 3434661825L));
        return Response.status(200).entity(contactos.toString()).build();
    }
}

web.xml:

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
         xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
         http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" 
         version="3.1">
    <display-name>agendarest</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>
    <servlet>
        <servlet-name>Jersey Web Application</servlet-name>
        <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>Jersey Web Application</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>
</web-app>

我找到了解决方案。我需要添加init-param所以,我的web.xml:

    <servlet>
                <servlet-name>ContactoService</servlet-name>
                <init-param>
                    <param-name>javax.ws.rs.Application</param-name>
                    <param-value>com.MiApp</param-value>
                </init-param>
                <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
                <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
                <servlet-name>ContactoService</servlet-name>
                <url-pattern>/*</url-pattern>
  </servlet-mapping>

并添加miapp.java:

import org.glassfish.jersey.server.ResourceConfig;
public class MiApp extends ResourceConfig{
    public MiApp() {
        packages("com");
    }
}

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