diff --git a/akka.iws b/akka.iws
index 951d4fab94..0a4177957b 100644
--- a/akka.iws
+++ b/akka.iws
@@ -6,17 +6,13 @@
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-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/akka.ipr" afterPath="$PROJECT_DIR$/akka.ipr" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufProtocol.proto" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/kernel/src/main/scala/serialization/Serializer.scala" afterPath="$PROJECT_DIR$/kernel/src/main/scala/serialization/Serializer.scala" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/kernel/src/main/scala/serialization/Serializable.scala" afterPath="$PROJECT_DIR$/kernel/src/main/scala/serialization/Serializable.scala" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/kernel/src/main/scala/actor/ActiveObject.scala" afterPath="$PROJECT_DIR$/kernel/src/main/scala/actor/ActiveObject.scala" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala" afterPath="$PROJECT_DIR$/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufSerializationTest.java" />
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+        <PATH_ELEMENT>
+          <option name="myItemId" value="akka-fun-test-java" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewModuleNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="fun-test-java" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="src" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="test" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="java" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="api" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+      </PATH>
+      <PATH>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="akka" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="akka-fun-test-java" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewModuleNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="fun-test-java" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="src" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="test" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="java" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="api" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
+        </PATH_ELEMENT>
+        <PATH_ELEMENT>
+          <option name="myItemId" value="ProtobufSerializationTest" />
+          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ClassTreeNode" />
+        </PATH_ELEMENT>
+      </PATH>
       <PATH>
         <PATH_ELEMENT>
           <option name="myItemId" value="akka" />
@@ -711,24 +820,6 @@
           <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
         </PATH_ELEMENT>
       </PATH>
-      <PATH>
-        <PATH_ELEMENT>
-          <option name="myItemId" value="akka" />
-          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewProjectNode" />
-        </PATH_ELEMENT>
-        <PATH_ELEMENT>
-          <option name="myItemId" value="akka" />
-          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.ProjectViewModuleNode" />
-        </PATH_ELEMENT>
-        <PATH_ELEMENT>
-          <option name="myItemId" value="akka" />
-          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-        </PATH_ELEMENT>
-        <PATH_ELEMENT>
-          <option name="myItemId" value="config" />
-          <option name="myItemType" value="com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode" />
-        </PATH_ELEMENT>
-      </PATH>
     </subPane>
   </component>
   <component name="ProjectReloadState">
@@ -1956,7 +2047,6 @@
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32749078" sideWeight="0.5" order="6" side_tool="false" />
       <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.1751473" sideWeight="0.39206642" order="1" side_tool="false" />
       <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.39668366" sideWeight="0.5" order="3" side_tool="false" />
-      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.3201107" sideWeight="0.5" order="1" side_tool="false" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.16818425" sideWeight="0.24354243" order="0" side_tool="true" x="1609" y="144" width="252" height="862" />
       <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.3265306" sideWeight="0.5" order="13" side_tool="false" />
       <window_info id="Web Preview" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32822478" sideWeight="0.5" order="16" side_tool="false" />
@@ -1968,6 +2058,7 @@
       <window_info id="Clojure REPL" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32749078" sideWeight="0.5" order="8" side_tool="false" />
       <window_info id="Data Sources" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.3294881" sideWeight="0.6875" order="3" side_tool="false" />
       <window_info id="Web" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.26479077" sideWeight="0.24617347" order="2" side_tool="true" />
+      <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.3201107" sideWeight="0.5" order="1" side_tool="false" />
       <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.3265306" sideWeight="0.0" order="14" side_tool="false" />
       <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.4" sideWeight="0.5" order="5" side_tool="false" />
       <window_info id="FindBugs-IDEA" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32976654" sideWeight="0.5" order="12" side_tool="false" />
@@ -2011,115 +2102,117 @@
     <option name="FILTER_TARGETS" value="false" />
   </component>
   <component name="editorHistoryManager">
-    <entry file="jar://$MAVEN_REPOSITORY$/sbinary/sbinary/0.3/sbinary-0.3.jar!/sbinary/DefaultProtocol.class">
+    <entry file="jar://$MAVEN_REPOSITORY$/com/google/protobuf/protobuf-java/2.1.0/protobuf-java-2.1.0-sources.jar!/com/google/protobuf/Message.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="3" column="0" selection-start="147" selection-end="147" vertical-scroll-proportion="0.0">
+        <state line="216" column="46" selection-start="8964" selection-end="8964" vertical-scroll-proportion="-2.9109793">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/util-java/src/main/java/se/scalablesolutions/akka/kernel/nio/protobuf/RemoteProtocol.java">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/Bar.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="53" column="0" selection-start="2074" selection-end="2074" vertical-scroll-proportion="0.0">
+        <state line="4" column="17" selection-start="110" selection-end="110" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/test/scala/RemoteSupervisorSpec.scala">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/Foo.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="638" column="28" selection-start="16462" selection-end="16462" vertical-scroll-proportion="0.0">
+        <state line="5" column="13" selection-start="139" selection-end="139" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/test/scala/Messages.scala">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/Ext.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="19" column="33" selection-start="570" selection-end="570" vertical-scroll-proportion="0.0">
+        <state line="2" column="17" selection-start="57" selection-end="57" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/test/scala/RemoteActorSpec.scala">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/InMemoryStateTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="27" column="6" selection-start="652" selection-end="652" vertical-scroll-proportion="0.0">
+        <state line="47" column="60" selection-start="0" selection-end="7595" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="jar://$MAVEN_REPOSITORY$/com/google/protobuf/protobuf-java/2.1.0/protobuf-java-2.1.0-sources.jar!/com/google/protobuf/GeneratedMessage.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="0" column="0" selection-start="0" selection-end="0" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/util-java/src/main/java/se/scalablesolutions/akka/kernel/nio/protobuf/RemoteProtocol.proto">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="8" column="0" selection-start="0" selection-end="938" vertical-scroll-proportion="0.0">
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/BarImpl.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state line="13" column="0" selection-start="223" selection-end="223" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/serialization/Serializable.scala">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="12" column="1" selection-start="340" selection-end="340" vertical-scroll-proportion="0.0">
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/serialization/Binary.scala">
-      <provider selected="true" editor-type-id="text-editor">
-        <state line="12" column="63" selection-start="424" selection-end="424" vertical-scroll-proportion="0.0">
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/nio/RemoteServer.scala">
-      <provider selected="true" editor-type-id="text-editor">
-        <state line="117" column="45" selection-start="4575" selection-end="4575" vertical-scroll-proportion="0.0">
+        <state line="7" column="0" selection-start="145" selection-end="179" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="31" column="76" selection-start="1647" selection-end="1647" vertical-scroll-proportion="0.0">
+        <state line="26" column="29" selection-start="1370" selection-end="1370" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/actor/Actor.scala">
+    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/actor/ActiveObject.scala">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="101" column="15" selection-start="4038" selection-end="4038" vertical-scroll-proportion="0.0">
+        <state line="453" column="140" selection-start="20663" selection-end="20663" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/reactor/MessageDispatcherBase.scala">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufProtocol.proto">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="49" column="41" selection-start="1388" selection-end="1388" vertical-scroll-proportion="0.0">
+        <state line="9" column="47" selection-start="192" selection-end="192" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/reactor/ThreadBasedDispatcher.scala">
+    <entry file="jar://$MAVEN_REPOSITORY$/org/scala-lang/scala-library/2.7.5/scala-library-2.7.5-sources.jar!/scala/Option.scala">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="14" column="6" selection-start="401" selection-end="401" vertical-scroll-proportion="0.0">
+        <state line="27" column="45" selection-start="1026" selection-end="1026" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/reactor/EventBasedSingleThreadDispatcher.scala">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufProtocol.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="28" column="48" selection-start="1154" selection-end="1154" vertical-scroll-proportion="0.0">
+        <state line="4" column="35" selection-start="120" selection-end="136" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/reactor/Reactor.scala">
+    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/serialization/Serializer.scala">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="34" column="6" selection-start="695" selection-end="695" vertical-scroll-proportion="0.0">
+        <state line="29" column="9" selection-start="850" selection-end="850" vertical-scroll-proportion="0.0">
           <folding />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/main/scala/reactor/EventBasedThreadPoolDispatcher.scala">
+    <entry file="file://$PROJECT_DIR$/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufSerializationTest.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state line="132" column="2" selection-start="4660" selection-end="4660" vertical-scroll-proportion="-14.153846">
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/kernel/src/test/scala/EventBasedThreadPoolDispatcherTest.scala">
-      <provider selected="true" editor-type-id="text-editor">
-        <state line="161" column="168" selection-start="6003" selection-end="6003" vertical-scroll-proportion="0.9074253">
-          <folding />
+        <state line="28" column="30" selection-start="1262" selection-end="1262" vertical-scroll-proportion="0.43201542">
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>
diff --git a/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufProtocol.proto b/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufProtocol.proto
new file mode 100644
index 0000000000..f5026303a5
--- /dev/null
+++ b/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufProtocol.proto
@@ -0,0 +1,19 @@
+/**
+ * Copyright (C) 2009 Scalable Solutions.
+ */
+
+package se.scalablesolutions.akka.api;
+
+/*
+  Compile with:
+  cd ./fun-test-java/src/test/java
+  protoc se/scalablesolutions/akka/api/ProtobufProtocol.proto --java_out .
+*/
+
+option optimize_for = SPEED;
+
+message ProtobufPOJO {
+  required uint64 id = 1;
+  required string name = 2;
+  required bool status = 3;
+}
diff --git a/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufSerializationTest.java b/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufSerializationTest.java
new file mode 100644
index 0000000000..f79657fd6a
--- /dev/null
+++ b/fun-test-java/src/test/java/se/scalablesolutions/akka/api/ProtobufSerializationTest.java
@@ -0,0 +1,38 @@
+/**
+ * Copyright (C) 2009 Scalable Solutions.
+ */
+
+package se.scalablesolutions.akka.api;
+
+import junit.framework.TestCase;
+import se.scalablesolutions.akka.serialization.SerializerFactory;
+
+public class ProtobufSerializationTest extends TestCase {
+    public void testOutIn() throws Exception {
+      SerializerFactory factory = new SerializerFactory();
+      ProtobufProtocol.ProtobufPOJO pojo1 = ProtobufProtocol.ProtobufPOJO.getDefaultInstance().toBuilder().setId(1).setName("protobuf").setStatus(true).build();
+
+      byte[] bytes = factory.getProtobuf().out(pojo1);
+      Object obj = factory.getProtobuf().in(bytes, pojo1.getClass());
+
+      assertTrue(obj instanceof ProtobufProtocol.ProtobufPOJO);
+      ProtobufProtocol.ProtobufPOJO pojo2 = (ProtobufProtocol.ProtobufPOJO)obj;
+      assertEquals(pojo1.getId(), pojo2.getId());
+      assertEquals(pojo1.getName(), pojo2.getName());
+      assertEquals(pojo1.getStatus(), pojo2.getStatus());
+    }
+    
+    public void testDeepClone() throws Exception {
+      SerializerFactory factory = new SerializerFactory();
+      ProtobufProtocol.ProtobufPOJO pojo1 = ProtobufProtocol.ProtobufPOJO.getDefaultInstance().toBuilder().setId(1).setName("protobuf").setStatus(true).build();
+
+      Object obj = factory.getProtobuf().deepClone(pojo1);
+
+      assertTrue(obj instanceof ProtobufProtocol.ProtobufPOJO);
+      ProtobufProtocol.ProtobufPOJO pojo2 = (ProtobufProtocol.ProtobufPOJO)obj;
+      assertEquals(pojo1.getId(), pojo2.getId());
+      assertEquals(pojo1.getName(), pojo2.getName());
+      assertEquals(pojo1.getStatus(), pojo2.getStatus());
+    }
+}
+
diff --git a/kernel/src/main/scala/actor/ActiveObject.scala b/kernel/src/main/scala/actor/ActiveObject.scala
index 8835622027..40acbe81a6 100644
--- a/kernel/src/main/scala/actor/ActiveObject.scala
+++ b/kernel/src/main/scala/actor/ActiveObject.scala
@@ -445,7 +445,7 @@ private[kernel] class Dispatcher(val callbacks: Option[RestartCallbacks]) extend
     if (!unserializable && hasMutableArgument) {
       // FIXME: can we have another default deep cloner?
       val copyOfArgs = Serializer.Java.deepClone(args)
-      joinpoint.getRtti.asInstanceOf[MethodRtti].setParameterValues(copyOfArgs)
+      joinpoint.getRtti.asInstanceOf[MethodRtti].setParameterValues(copyOfArgs.asInstanceOf[Array[AnyRef]])
     }    
   }
 }
diff --git a/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala b/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala
index 2f7cf289cf..bdfc90184c 100644
--- a/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala
+++ b/kernel/src/main/scala/nio/RemoteProtocolBuilder.scala
@@ -23,8 +23,8 @@ object RemoteProtocolBuilder {
         val manifest = Serializer.Java.in(request.getMessageManifest.toByteArray, None).asInstanceOf[String]
         Serializer.JavaJSON.in(request.getMessage.toByteArray, Some(Class.forName(manifest)))
       case SerializationProtocol.PROTOBUF =>
-        val manifest = Serializer.Java.in(request.getMessageManifest.toByteArray, None).asInstanceOf[Message]
-        Serializer.Protobuf.in(request.getMessage.toByteArray, manifest)
+        val messageClass = Serializer.Java.in(request.getMessageManifest.toByteArray, None).asInstanceOf[Class[_]]
+        Serializer.Protobuf.in(request.getMessage.toByteArray, Some(messageClass))
       case SerializationProtocol.JAVA =>
         Serializer.Java.in(request.getMessage.toByteArray, None)
       case SerializationProtocol.AVRO =>
@@ -44,8 +44,8 @@ object RemoteProtocolBuilder {
         val manifest = Serializer.Java.in(reply.getMessageManifest.toByteArray, None).asInstanceOf[String]
         Serializer.JavaJSON.in(reply.getMessage.toByteArray, Some(Class.forName(manifest)))
       case SerializationProtocol.PROTOBUF =>
-        val manifest = Serializer.Java.in(reply.getMessageManifest.toByteArray, None).asInstanceOf[Message]
-        Serializer.Protobuf.in(reply.getMessage.toByteArray, manifest)
+        val messageClass = Serializer.Java.in(reply.getMessageManifest.toByteArray, None).asInstanceOf[Class[_]]
+        Serializer.Protobuf.in(reply.getMessage.toByteArray, Some(messageClass))
       case SerializationProtocol.JAVA =>
         Serializer.Java.in(reply.getMessage.toByteArray, None)
       case SerializationProtocol.AVRO =>
@@ -59,11 +59,11 @@ object RemoteProtocolBuilder {
       builder.setProtocol(SerializationProtocol.SBINARY)
       builder.setMessage(ByteString.copyFrom(serializable.toBytes))
       builder.setMessageManifest(ByteString.copyFrom(serializable.getClass.getName.getBytes))
-    } else if (message.isInstanceOf[Serializable.Protobuf]) {
-      val serializable = message.asInstanceOf[Serializable.Protobuf]
+    } else if (message.isInstanceOf[Message]) {
+      val serializable = message.asInstanceOf[Message]
       builder.setProtocol(SerializationProtocol.PROTOBUF)
-      builder.setMessage(ByteString.copyFrom(serializable.toBytes))
-      builder.setMessageManifest(ByteString.copyFrom(Serializer.Java.out(serializable.getSchema)))
+      builder.setMessage(ByteString.copyFrom(serializable.toByteArray))
+      builder.setMessageManifest(ByteString.copyFrom(Serializer.Java.out(serializable.getClass)))
     } else if (message.isInstanceOf[Serializable.ScalaJSON[_]]) {
       val serializable = message.asInstanceOf[Serializable.ScalaJSON[_]]
       builder.setProtocol(SerializationProtocol.SCALA_JSON)
@@ -87,11 +87,11 @@ object RemoteProtocolBuilder {
       builder.setProtocol(SerializationProtocol.SBINARY)
       builder.setMessage(ByteString.copyFrom(serializable.toBytes))
       builder.setMessageManifest(ByteString.copyFrom(serializable.getClass.getName.getBytes))
-    } else if (message.isInstanceOf[Serializable.Protobuf]) {
-      val serializable = message.asInstanceOf[Serializable.Protobuf]
+    } else if (message.isInstanceOf[Message]) {
+      val serializable = message.asInstanceOf[Message]
       builder.setProtocol(SerializationProtocol.PROTOBUF)
-      builder.setMessage(ByteString.copyFrom(serializable.toBytes))
-      builder.setMessageManifest(ByteString.copyFrom(Serializer.Java.out(serializable.getSchema)))
+      builder.setMessage(ByteString.copyFrom(serializable.toByteArray))
+      builder.setMessageManifest(ByteString.copyFrom(Serializer.Java.out(serializable.getClass)))
     } else if (message.isInstanceOf[Serializable.ScalaJSON[_]]) {
       val serializable = message.asInstanceOf[Serializable.ScalaJSON[_]]
       builder.setProtocol(SerializationProtocol.SCALA_JSON)
diff --git a/kernel/src/main/scala/serialization/Serializable.scala b/kernel/src/main/scala/serialization/Serializable.scala
index 58179b7c42..796f3cbc0b 100644
--- a/kernel/src/main/scala/serialization/Serializable.scala
+++ b/kernel/src/main/scala/serialization/Serializable.scala
@@ -106,8 +106,9 @@ object Serializable {
   /**
    * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
    */
-  trait Protobuf extends Serializable {
-    def toBytes: Array[Byte]
-    def getSchema: Message
+  trait Protobuf[T] extends Serializable {
+    def fromBytes(bytes: Array[Byte]): T = getMessage.toBuilder.mergeFrom(bytes).asInstanceOf[T]
+    def toBytes: Array[Byte] = getMessage.toByteArray
+    def getMessage: Message
   }
 }
diff --git a/kernel/src/main/scala/serialization/Serializer.scala b/kernel/src/main/scala/serialization/Serializer.scala
index dea5bb5dce..536af0ba9b 100644
--- a/kernel/src/main/scala/serialization/Serializer.scala
+++ b/kernel/src/main/scala/serialization/Serializer.scala
@@ -6,7 +6,7 @@ package se.scalablesolutions.akka.serialization
 
 import com.google.protobuf.Message
 import java.io.{ObjectOutputStream, ByteArrayOutputStream, ObjectInputStream, ByteArrayInputStream}
-import reflect.Manifest
+import reflect.{BeanProperty, Manifest}
 import sbinary.DefaultProtocol
 import org.codehaus.jackson.map.ObjectMapper
 import com.twitter.commons.Json
@@ -15,20 +15,33 @@ import com.twitter.commons.Json
  * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
  */
 trait Serializer {
-  def deepClone[T <: AnyRef](obj: T): T
+  def deepClone(obj: AnyRef): AnyRef
   def out(obj: AnyRef): Array[Byte]
   def in(bytes: Array[Byte], clazz: Option[Class[_]]): AnyRef
 }
 
+// For Java API
+class SerializerFactory {
+  import Serializer._
+  def getJava: Java.type = Java
+  def getJavaJSON: JavaJSON.type = JavaJSON
+  def getScalaJSON: ScalaJSON.type = ScalaJSON
+  def getSBinary: SBinary.type = SBinary
+  def getProtobuf: Protobuf.type = Protobuf  
+}
+
 /**
  * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
  */
 object Serializer {
+  val EMPTY_CLASS_ARRAY = Array[Class[_]]()
+  val EMPTY_ANY_REF_ARRAY = Array[AnyRef]()
+
   /**
    * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
    */
   object Java extends Serializer {
-    def deepClone[T <: AnyRef](obj: T): T = in(out(obj), None).asInstanceOf[T]
+    def deepClone(obj: AnyRef): AnyRef = in(out(obj), None)
 
     def out(obj: AnyRef): Array[Byte] = {
       val bos = new ByteArrayOutputStream
@@ -49,15 +62,25 @@ object Serializer {
   /**
    * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
    */
-  object Protobuf {
-    //def deepClone[T <: AnyRef](obj: T): T = in(out(obj), None).asInstanceOf[T]
+  object Protobuf extends Serializer {
+    def deepClone(obj: AnyRef): AnyRef = in(out(obj), Some(obj.getClass))
 
     def out(obj: AnyRef): Array[Byte] = {
-      throw new UnsupportedOperationException
+      if (!obj.isInstanceOf[Message]) throw new IllegalArgumentException("Can't serialize a non-protobuf message using protobuf [" + obj + "]")
+      obj.asInstanceOf[Message].toByteArray
+    }
+    
+    def in(bytes: Array[Byte], clazz: Option[Class[_]]): AnyRef = {
+      if (!clazz.isDefined) throw new IllegalArgumentException("Need a protobuf message class to be able to serialize bytes using protobuf") 
+      // TODO: should we cache this method lookup?
+      val message = clazz.get.getDeclaredMethod("getDefaultInstance", EMPTY_CLASS_ARRAY: _*).invoke(null, EMPTY_ANY_REF_ARRAY: _*).asInstanceOf[Message]
+      message.toBuilder().mergeFrom(bytes).build                                                                                  
     }
 
-    def in(bytes: Array[Byte], schema: Message): AnyRef = {
-      throw new UnsupportedOperationException
+    // For Java
+    def in(bytes: Array[Byte], clazz: Class[_]): AnyRef = {
+      if (clazz == null) throw new IllegalArgumentException("Protobuf message can't be null")
+      in(bytes, Some(clazz))
     }
   }
 
@@ -67,7 +90,7 @@ object Serializer {
   object JavaJSON extends Serializer {
     private val mapper = new ObjectMapper
 
-    def deepClone[T <: AnyRef](obj: T): T = in(out(obj), Some(obj.getClass)).asInstanceOf[T]
+    def deepClone(obj: AnyRef): AnyRef = in(out(obj), Some(obj.getClass))
 
     def out(obj: AnyRef): Array[Byte] = {
       val bos = new ByteArrayOutputStream
@@ -90,7 +113,7 @@ object Serializer {
    * @author <a href="http://jonasboner.com">Jonas Bon&#233;r</a>
    */
   object ScalaJSON extends Serializer {
-    def deepClone[T <: AnyRef](obj: T): T = in(out(obj), None).asInstanceOf[T]
+    def deepClone(obj: AnyRef): AnyRef = in(out(obj), None)
 
     def out(obj: AnyRef): Array[Byte] = Json.build(obj).toString.getBytes("UTF-8")