### Eclipse Workspace Patch 1.0
#P jbpm4
Index: modules/pvm/src/main/java/org/jbpm/pvm/internal/type/converter/SerializableToBytesConverter.java
===================================================================
--- modules/pvm/src/main/java/org/jbpm/pvm/internal/type/converter/SerializableToBytesConverter.java	(revision 6211)
+++ modules/pvm/src/main/java/org/jbpm/pvm/internal/type/converter/SerializableToBytesConverter.java	(working copy)
@@ -26,6 +26,7 @@
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
+import java.io.ObjectStreamClass;
 import java.io.Serializable;
 
 import org.jbpm.api.JbpmException;
@@ -71,7 +72,13 @@
     byte[] bytes = (byte[]) o;
     try {
       ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
-      ObjectInputStream ois = new ObjectInputStream(bais);
+      ObjectInputStream ois = new ObjectInputStream(bais) {
+
+        protected Class< ? > resolveClass(ObjectStreamClass objectStreamClass) throws IOException, ClassNotFoundException {
+          return Class.forName(objectStreamClass.getName(), true, Thread.currentThread().getContextClassLoader());
+        }
+      };
+
       Object object = ois.readObject();
       
       Transaction transaction = EnvironmentImpl.getFromCurrent(Transaction.class, false);