diff --git a/src/de/diddiz/LogBlock/Logging.java b/src/de/diddiz/LogBlock/Logging.java
index f02d47e..9879c2b 100644
--- a/src/de/diddiz/LogBlock/Logging.java
+++ b/src/de/diddiz/LogBlock/Logging.java
@@ -3,7 +3,7 @@ package de.diddiz.LogBlock;
 public enum Logging {
 	BLOCKPLACE(true), BLOCKBREAK(true), SIGNTEXT, TNTEXPLOSION(true), CREEPEREXPLOSION(true), GHASTFIREBALLEXPLOSION(true), ENDERDRAGON(true), MISCEXPLOSION, FIRE(true), LEAVESDECAY, LAVAFLOW, WATERFLOW, CHESTACCESS, KILL, CHAT, SNOWFORM, SNOWFADE, DOORINTERACT, SWITCHINTERACT, CAKEEAT, ENDERMEN, NOTEBLOCKINTERACT, DIODEINTERACT, NATURALSTRUCTUREGROW, BONEMEALSTRUCTUREGROW;
 
-	public static int length = Logging.values().length;
+	public static final int length = Logging.values().length;
 
 	private final boolean defaultEnabled;
 
diff --git a/src/de/diddiz/util/MySQLConnectionPool.java b/src/de/diddiz/util/MySQLConnectionPool.java
index 962b057..e0264f2 100644
--- a/src/de/diddiz/util/MySQLConnectionPool.java
+++ b/src/de/diddiz/util/MySQLConnectionPool.java
@@ -18,6 +18,7 @@ import java.sql.Savepoint;
 import java.sql.Statement;
 import java.sql.Struct;
 import java.util.Enumeration;
+import java.util.Iterator;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Vector;
@@ -85,9 +86,12 @@ public class MySQLConnectionPool implements Closeable
 	private void reapConnections() {
 		lock.lock();
 		final long stale = System.currentTimeMillis() - timeToLive;
-		for (final JDCConnection conn : connections)
+		final Iterator<JDCConnection> itr = connections.iterator();
+		while (itr.hasNext()) {
+			final JDCConnection conn = itr.next();
 			if (conn.inUse() && stale > conn.getLastUse() && !conn.isValid())
-				connections.remove(conn);
+				itr.remove();
+		}
 		lock.unlock();
 	}