Wicket组件的BayeuxServer配置Cometd？

get（）抛出NullPointerException

<dependency>
        <groupId>org.wicketstuff</groupId>
        <artifactId>wicketstuff-push-cometd</artifactId>
        <version>7.0.0-M5</version>
    </dependency>

org.wicketstuff
但是，它在启动时失败

java.lang.NoClassDefFoundError: org/eclipse/jetty/util/thread/Timeout
at org.cometd.server.BayeuxServerImpl.<init>(BayeuxServerImpl.java:89)
at com.erranda.prototype.WebsocketConfiguration.bayeuxServer(WebsocketConfiguration.java:78)
at com.erranda.prototype.WebsocketConfiguration$$EnhancerBySpringCGLIB$$9e079365.CGLIB$bayeuxServer$4(<generated>)
at com.erranda.prototype.WebsocketConfiguration$$EnhancerBySpringCGLIB$$9e079365$$FastClassBySpringCGLIB$$44de86de.invoke(<generated>)

java.lang.NoClassDefFoundError:org/eclipse/jetty/util/thread/Timeout
位于org.cometd.server.BayeuxServerImpl（BayeuxServerImpl.java:89）
位于com.errada.prototype.WebsocketConfiguration.bayeuxServer（WebsocketConfiguration.java:78）
在com.errada.prototype.WebsocketConfiguration$$EnhancerBySpringCGLIB$$9e079365.CGLIB$bayeuxServer$4（）
在com.errada.prototype.WebsocketConfiguration$$EnhancerBySpringCGLIB$$9e079365$$FastClassBySpringCGLIB$$44de86de.invoke（）上
启动调试器，卢克！NPE到底在哪里？问题更新了martin-g。似乎有什么东西需要设置BayuexServer：我不知道怎么做。我在Springboot码头使用导叶。是否有关于如何设置的文档。更新问题@martin-g
java.lang.NoClassDefFoundError: org/eclipse/jetty/util/thread/Timeout
at org.cometd.server.BayeuxServerImpl.<init>(BayeuxServerImpl.java:89)
at com.erranda.prototype.WebsocketConfiguration.bayeuxServer(WebsocketConfiguration.java:78)
at com.erranda.prototype.WebsocketConfiguration$$EnhancerBySpringCGLIB$$9e079365.CGLIB$bayeuxServer$4(<generated>)
at com.erranda.prototype.WebsocketConfiguration$$EnhancerBySpringCGLIB$$9e079365$$FastClassBySpringCGLIB$$44de86de.invoke(<generated>)