web.xml

<?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>Todolist</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>Todolist Service</servlet-name>
		<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
		<init-param>
			<param-name>jersey.config.server.provider.packages</param-name>
			<param-value>tasks</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>Todolist Service</servlet-name>
		<url-pattern>/*</url-pattern>
	</servlet-mapping>


	<filter>
		<filter-name>CorsFilter</filter-name>
		<filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
		<init-param>
			<param-name>cors.allowed.origins</param-name>
			<param-value>*</param-value>
		</init-param>
		<init-param>
			<param-name>cors.allowed.methods</param-name>
			<param-value>GET,POST,HEAD,OPTIONS,PUT,DELETE</param-value>
		</init-param>
		<init-param>
			<param-name>cors.allowed.headers</param-name>
			<param-value>Content-Type,X-Requested-With,accept,Origin,Access-Control-Request-Method,Access-Control-Request-Headers</param-value>
		</init-param>
		<init-param>
			<param-name>cors.exposed.headers</param-name>
			<param-value>Access-Control-Allow-Origin,Access-Control-Allow-Credentials</param-value>
		</init-param>
		<init-param>
			<param-name>cors.support.credentials</param-name>
			<param-value>true</param-value>
		</init-param>
		<init-param>
			<param-name>cors.preflight.maxage</param-name>
			<param-value>10</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>CorsFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>

</web-app>