I installed openfire 4.1.5 succ.
i failed to install plugin "Openfire Websocket 1.1.4",
2017.07.05 20:34:41 ERROR [pool-29-thread-1]: org.jivesoftware.openfire.container.PluginManager - An exception occurred while loading plugin 'websocket':
java.lang.NoSuchMethodError: org.jivesoftware.openfire.http.HttpBindManager.getContexts()Lorg/eclipse/jetty/ server/handler/ContextHandlerCollection;
at org.jivesoftware.openfire.websocket.WebSocketPlugin.initializePlugin(WebSocketP lugin.java:66)
at org.jivesoftware.openfire.container.PluginManager.loadPlugin(PluginManager.java :410)
at org.jivesoftware.openfire.container.PluginMonitor$MonitorTask$4.call(PluginMoni tor.java:276)
at org.jivesoftware.openfire.container.PluginMonitor$MonitorTask$4.call(PluginMoni tor.java:264)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
so i can not connect to openfire by websocket .
I want to know how to fix it.
thks