Authme error

2012-08-08 11:48:38 [SEVERE] Could not pass event AsyncPlayerChatEvent to AuthMe
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:332)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:830)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
	at net.minecraft.serverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:124)
	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.NetworkManager.i(NetworkManager.java:216)
	at net.minecraft.server.NetworkManager.c(NetworkManager.java:331)
	at net.minecraft.server.NetworkReaderThread.run(SourceFile:93)
Caused by: java.lang.RuntimeException: Interrupted while waiting for a database connection.
	at uk.org.whoami.authme.datasource.MiniConnectionPoolManager.getConnection2(MiniConnectionPoolManager.java:137)
	at uk.org.whoami.authme.datasource.MiniConnectionPoolManager.getValidConnection2(MiniConnectionPoolManager.java:203)
	at uk.org.whoami.authme.datasource.MiniConnectionPoolManager.getValidConnection(MiniConnectionPoolManager.java:185)
	at uk.org.whoami.authme.datasource.MySQLDataSource.isAuthAvailable(MySQLDataSource.java:137)
	at uk.org.whoami.authme.listener.AuthMePlayerListener.onPlayerChat(AuthMePlayerListener.java:137)
	at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:330)
	... 10 more
Caused by: java.lang.InterruptedException
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(Unknown Source)
	at java.util.concurrent.Semaphore.tryAcquire(Unknown Source)
	at uk.org.whoami.authme.datasource.MiniConnectionPoolManager.getConnection2(MiniConnectionPoolManager.java:134)
	... 18 more