Fixed writelock issue.

src/de/diddiz/LogBlock/LBPlayerListener.java

@@ -53,8 +53,10 @@ public class LBPlayerListener extends PlayerListener
 			return;
 		Statement state = null;
 		try {
+			conn.setAutoCommit(false);
 			state = conn.createStatement();
 			state.execute("INSERT IGNORE INTO `lb-players` (playername) VALUES ('" + event.getPlayer().getName() + "');");
+			conn.commit();
 		} catch (final SQLException ex) {
 			log.log(Level.SEVERE, "[LogBlock] SQL exception", ex);
 		} finally {

src/de/diddiz/util/ConnectionPool.java

@@ -136,6 +136,13 @@ public class ConnectionPool {
 		@Override
 		public void close() {
 			inuse = false;
+			try {
+				if (!conn.getAutoCommit())
+				conn.setAutoCommit(true);
+			} catch (SQLException ex) {
+				removeConnection(this);
+				terminate();
+			}
 		}
 
 		@Override