IRC Bot application fails to execute in XWiki 8.2M1+

2016-09-08 18:50:56,906 [localhost-startStop-1] ERROR .i.DefaultExtensionInitializer - Failed to initialize local extension [org.xwiki.contrib:application-ircbot-ui-8.1] 
java.lang.NoClassDefFoundError: Failed to get fields for class [org.xwiki.ircbot.internal.wiki.DefaultWikiIRCBotListenerFactory] because the class [org/xwiki/rendering/internal/parser/MissingParserException] couldn't be found in the ClassLoader.
        at org.xwiki.component.util.ReflectionUtils.getAllFields(ReflectionUtils.java:72)
        at org.xwiki.component.annotation.ComponentDescriptorFactory.createComponentDescriptor(ComponentDescriptorFactory.java:132)
        at org.xwiki.component.annotation.ComponentDescriptorFactory.createComponentDescriptors(ComponentDescriptorFactory.java:105)
        at org.xwiki.component.annotation.ComponentAnnotationLoader.register(ComponentAnnotationLoader.java:168)
        at org.xwiki.component.annotation.ComponentAnnotationLoader.initialize(ComponentAnnotationLoader.java:136)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.loadComponents(JarExtensionHandler.java:149)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.install(JarExtensionHandler.java:103)
        at org.xwiki.extension.jar.internal.handler.JarExtensionHandler.initialize(JarExtensionHandler.java:82)
        at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.initialize(DefaultExtensionHandlerManager.java:154)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:194)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:159)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:186)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtensionInNamespace(DefaultExtensionInitializer.java:159)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initializeExtension(DefaultExtensionInitializer.java:125)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initialize(DefaultExtensionInitializer.java:103)
        at org.xwiki.extension.handler.internal.DefaultExtensionInitializer.initialize(DefaultExtensionInitializer.java:79)
        at org.xwiki.extension.handler.internal.ExtensionApplicationStartedListener.onEvent(ExtensionApplicationStartedListener.java:76)
        at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:304)
        at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:269)
        at org.xwiki.observation.internal.DefaultObservationManager.notify(DefaultObservationManager.java:321)
        at org.xwiki.container.servlet.XWikiServletContextListener.contextInitialized(XWikiServletContextListener.java:118)