[13:55:24] [Craft Scheduler Thread - 4/WARN]: Exception in thread "Craft Scheduler Thread - 4" 
[13:55:24] [Craft Scheduler Thread - 4/WARN]: org.apache.commons.lang.UnhandledException: Plugin TweetAnnouncer v1.4 generated an exception while executing task 22
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: net/minecraft/util/org/apache/commons/lang3/StringEscapeUtils
	at com.tux2mc.tweetannouncer.TweetAnnouncer.getTweetsForUser(TweetAnnouncer.java:285)
	at com.tux2mc.tweetannouncer.TweetAnnouncer$TweetParser.run(TweetAnnouncer.java:311)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.util.org.apache.commons.lang3.StringEscapeUtils
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 7 more