javax.servlet.ServletException: Not running on Jetty, JSR-356 support unavailable

Question

I am facing a problem while deploying a war on to tomcat instance,

Tomcat version details,

D:\\Kiran\\Kiran\\Softwares DH\\Webservers\\apache-tomcat-         


        

Answer 1

The problem is identified to be confusion over the websocket jars of tomcat and my application jars. I have removed it from the war file and it started working,

I used maven plug in to remove the jars as below,

    org.apache.maven.plugins
    maven-war-plugin
    
        WEB-INF/lib/websocket-*.jar
    

The jars which were creating problem are,