Webchat is not working

[akrherz]

...Migrated from Ignite Jira OF-658...

Ignite Forum Post

When trying to load webchat page users get Not Found error, though webchat folder and files are in place.

more reports:
http://community.igniterealtime.org/message/228982#228982
http://community.igniterealtime.org/message/228386#228386

logs:

2013.03.15 21:12:55 org.jivesoftware.openfire.container.PluginManager - Error loading plugin: /opt/openfire/plugins/webchat 
java.lang.NoClassDefFoundError: org/mortbay/jetty/servlet/Context 
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source) 
at java.lang.Class.getConstructor0(Unknown Source) 
at java.lang.Class.newInstance0(Unknown Source) 
at java.lang.Class.newInstance(Unknown Source) 
at org.jivesoftware.openfire.container.PluginManager.loadPlugin(PluginManager.java :420) 
at org.jivesoftware.openfire.container.PluginManager.access$300(PluginManager.java :80) 
at org.jivesoftware.openfire.container.PluginManager$PluginMonitor.run(PluginManag er.java:1073) 
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) 
at java.util.concurrent.FutureTask$Sync.innerRunAndReset(Unknown Source) 
at java.util.concurrent.FutureTask.runAndReset(Unknown Source) 
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101 (Unknown Source) 
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodi c(Unknown Source) 
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknow n Source) 
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) 
at java.lang.Thread.run(Unknown Source) 
Caused by: java.lang.ClassNotFoundException: org.mortbay.jetty.servlet.Context 
at java.net.URLClassLoader$1.run(Unknown Source) 
at java.security.AccessController.doPrivileged(Native Method) 
at java.net.URLClassLoader.findClass(Unknown Source) 
at java.lang.ClassLoader.loadClass(Unknown Source) 
at java.lang.ClassLoader.loadClass(Unknown Source)