Turns out the CORS is always enabled for WebSocket with SockJS. So, since we cannot predict an URL for the `index.html` therefore we always recommend open it on the same host port as server application - `http://localhost:8080`
JIRA: https://jira.spring.io/browse/INTSAMPLES-137 Depends on https://github.com/spring-projects/spring-integration/pull/1274 Polishing and cleanup * Fix `cafe-dsl` project: https://build.spring.io/browse/INTSAMPLES-NIGHTLY-JOB1-1131 * Change author emails to the `pivotal.io` * Regenerate poms Fix for `Cafe-DSL` sample https://build.spring.io/browse/INTSAMPLES-NIGHTLY-JOB1-1143