NoSuchMethodError exception thrown during startup

Exception in thread "Lucene Index Updater" java.lang.NoSuchMethodError: com.xpn.xwiki.objects.BaseObject.getPropertyNames()[Ljava/lang/Object;
	at com.xpn.xwiki.plugin.lucene.ObjectData.extractContent(ObjectData.java:111)
	at com.xpn.xwiki.plugin.lucene.ObjectData.getContentAsText(ObjectData.java:97)
	at com.xpn.xwiki.plugin.lucene.ObjectData.getFullText(ObjectData.java:80)
	at com.xpn.xwiki.plugin.lucene.IndexData.addDataToLuceneDocument(IndexData.java:163)
	at com.xpn.xwiki.plugin.lucene.ObjectData.addDataToLuceneDocument(ObjectData.java:133)
	at com.xpn.xwiki.plugin.lucene.IndexUpdater.addToIndex(IndexUpdater.java:383)
	at com.xpn.xwiki.plugin.lucene.IndexUpdater.runMainLoop(IndexUpdater.java:224)
	at com.xpn.xwiki.plugin.lucene.IndexUpdater.run(IndexUpdater.java:117)
	at java.lang.Thread.run(Thread.java:637)