I need install Monitoring Service plugins in my openfire server 4.03 Beta, when I try to install I have the follow error. My Operative sistem is Debian8
2016.08.09 10:02:23 org.jivesoftware.openfire.container.PluginManager - Error loading plugin: /usr/share/openfire/plugins/monitoring
org.picocontainer.PicoLifecycleException: PicoLifecycleException: method ‘public abstract void org.picocontainer.Startable.start()’, instance 'org.jivesoftware.openfire.archive.ArchiveIndexer@188f04e, null
Somebody can help me… ???