gavin is right

tests/src/test/java/org/jboss/weld/tests/unit/reflection/annotation/AnnotationTest.java

@@ -0,0 +1,36 @@
+package org.jboss.weld.tests.unit.reflection.annotation;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+
+import org.testng.annotations.Test;
+
+@Synchronous
+public class AnnotationTest
+{
+
+   @Test
+   public void testSerializability() throws Throwable
+   {
+      Synchronous synchronous = AnnotationTest.class.getAnnotation(Synchronous.class);
+      deserialize(serialize(synchronous));
+   }
+
+   protected byte[] serialize(Object instance) throws IOException
+   {
+      ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+      ObjectOutputStream out = new ObjectOutputStream(bytes);
+      out.writeObject(instance);
+      return bytes.toByteArray();
+   }
+
+   protected <T> T deserialize(byte[] bytes) throws IOException, ClassNotFoundException
+   {
+      ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes));
+      return (T) in.readObject();
+   }
+
+}

tests/src/test/java/org/jboss/weld/tests/unit/reflection/annotation/Synchronous.java

@@ -0,0 +1,21 @@
+package org.jboss.weld.tests.unit.reflection.annotation;
+
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.inject.Qualifier;
+
+@Target( { TYPE, METHOD, PARAMETER })
+@Retention(RUNTIME)
+@Documented
+@Qualifier
+@interface Synchronous
+{
+
+}