기존 roomdetail.html
<!-- JavaScript -->
<script src="/webjars/sockjs-client/1.1.2/sockjs.min.js"></script>
<script src="/webjars/stomp-websocket/2.3.3-1/stomp.min.js"></script>
수정 1
- 라이브러리 버전 삭제
<!-- JavaScript -->
<script src="/webjars/sockjs-client/sockjs.min.js"></script>
<script src="/webjars/stomp-websocket/stomp.min.js"></script>
기존 roomdetail.html
<!-- JavaScript -->
<script src="/webjars/sockjs-client/1.1.2/sockjs.min.js"></script>
<script src="/webjars/stomp-websocket/2.3.3-1/stomp.min.js"></script>
수정 2
- 라이브러리 버전 build.gradle과 맞추기
<!-- JavaScript -->
<script src="/webjars/sockjs-client/1.5.1/sockjs.min.js"></script>
<script src="/webjars/stomp-websocket/2.3.4/stomp.min.js"></script>