pom.xml에 디펜던시도 했는데
websocket:handlers 빨간줄뜨면
WEB-INF/spring/servlet-context.xml
맨위에
<?xml version="1.0" encoding="UTF-8"?> <beans:beans xmlns="http://www.springframework.org/schema/mvc"xmlns:websocket="http://www.springframework.org/schema/websocket"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/websocket http://www.springframework.org/schema/websocket/spring-websocket.xsd">
굵은줄 들어갔는지 확인
