diff --git a/apps/BOB/src/net/i2p/BOB/BOB.java b/apps/BOB/src/net/i2p/BOB/BOB.java
index d2c0ef810..830808a54 100644
--- a/apps/BOB/src/net/i2p/BOB/BOB.java
+++ b/apps/BOB/src/net/i2p/BOB/BOB.java
@@ -166,6 +166,8 @@ public class BOB {
 		SimpleScheduler Y1 = SimpleScheduler.getInstance();
 		SimpleTimer2 Y2 = SimpleTimer2.getInstance();
 		i = Y.hashCode();
+		i = Y1.hashCode();
+		i = Y2.hashCode();
 
 		{
 			try {
diff --git a/history.txt b/history.txt
index 72fdbe819..6888a9205 100644
--- a/history.txt
+++ b/history.txt
@@ -1,3 +1,6 @@
+2009-04-07 sponge
+    * BOB prevent jvac from optimizing out thread-group code from -10
+
 2009-04-07 zzz
     * NTCP: Prevent occasional NPE introduced in -4
     * streamr: Synchronize DatagramMaker
diff --git a/router/java/src/net/i2p/router/RouterVersion.java b/router/java/src/net/i2p/router/RouterVersion.java
index 510adb6de..202b80d65 100644
--- a/router/java/src/net/i2p/router/RouterVersion.java
+++ b/router/java/src/net/i2p/router/RouterVersion.java
@@ -17,7 +17,7 @@ import net.i2p.CoreVersion;
 public class RouterVersion {
     public final static String ID = "$Revision: 1.548 $ $Date: 2008-06-07 23:00:00 $";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 11;
+    public final static long BUILD = 12;
     public static void main(String args[]) {
         System.out.println("I2P Router version: " + VERSION + "-" + BUILD);
         System.out.println("Router ID: " + RouterVersion.ID);