ArrayIndexOutOfBoundsException with STOMP and Jetty 10

[espenhw]

Affects: 5.3.14

Jetty10RequestUpgradeStrategy throws ArrayIndexOutOfBoundsException if STOMP (or any other WS subprotocol) is used; the offending code is the block starting at

spring-framework/spring-websocket/src/main/java/org/springframework/web/socket/server/jetty/Jetty10RequestUpgradeStrategy.java

Line 159 in ccf9541

if (this.protocol != null) {

which tries to reference the third argument to an invocation that only has two (classic off-by-one error).