How to fix Access-Control-Allow-Origin (CORS origin) in Tomcate
  CORS On Tomcat     During debugging spring source code via intellij(Editor) , sometime we get CORS issue in console .           This is a very basic configure issue in Apache tomcat , during the execute you source code .        How to fix Access-Control-Allow-Origin (CORS origin).     By use of following changes , you have to changes in the web.xml(src\main\webapp\WEB-INF) file      <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>(http://localhost:8082 or * ( means any port value) </param-value>     </init-param>     <init-param>      <param-name>cors.allowed.methods</param-name>      <param-value>GET,POST,HEAD,OPTIONS,PUT</param-value>     </init-param>     <init-param>      <param-name>co...