byte[] serialize(Object obj) {
    byte[] serializedValue = null;
    try {
      serializedValue = serializeViaBlobHelper(obj);
    } catch (IOException e) {
      String builder = this + ": Object " + obj
          + " cannot be serialized due to the following exception";
      getDeltaSessionManager().getLogger().warn(
          builder, e);
    }
    return serializedValue;
  }
Return the <code>HttpSession</code> for which this object is the facade.
extensions/geode-modules/src/main/java/org/apache/geode/modules/session/catalina/DeltaSession.java