I would like to use web socket, and I started looking to do so with tomcat API. I\'m currently using Tomcat 7.0.37.
I tried to follow the example code from tomcat do
I solved the issue !
I tried to package the project with Maven on command line, and get this error:
[ERROR] class file for org.apache.coyote.http11.upgrade.UpgradeInbound not found
From this, I just added the following to the pom.xml:
org.apache.tomcat
tomcat-coyote
7.0.39
provided
I hope this will help others with the same issue.