So I have a Tomcat 8.0.44. My web xml is:
 <?xml version="1.0" encoding="UTF-8"?>
<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>server-web</display-name>
<context-param>
    <param-name>isLog4jAutoInitializationDisabled</param-name>
    <param-value>true</param-value>
</context-param>
<context-param>
    <param-name>log4jConfiguration</param-name>
    <param-value>server-web/src/main/webapp/WEB-INF/log4j2.xml</param-value>
</context-param>
<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>server-web</servlet-name>
    <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
    <init-param>
        <param-name>jersey.config.server.provider.packages</param-name>
        <param-value>server</param-value>
    </init-param>
    <init-param>
        <param-name>jersey.config.server.provider.classnames</param-name>
        <param-value>org.glassfish.jersey.media.multipart.MultiPartFeature</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>server-web</servlet-name>
    <url-pattern>/*</url-pattern>
</servlet-mapping>
Neither my log4j config is OK, nor Tomcat can find a simple resource like this class:
@Path("/")
public class InitServerPoint {
Logger logger = LogManager.getLogger(InitServerPoint.class);
@GET
@Produces("text/html")
public Response getStartingPage() throws IOException {
    logger.error("Init log message");
    String output = "file path: " + file.getAbsolutePath() + "<h1>Hello 
 World!<h1>"
            + "<p>RESTful Service is running ... <br>Ping @ " + new 
 Date().toString() + "</p<br>";
    return Response.status(200).entity(output).build();
}
}
and when I type http://localhost:8080/server-web/ it returns 404. Can you please help me with configurations?