el自定义标签创建后，启动resin报错

[淅沥加油]

编写完EL自定义标签后，启动resin后，报如下错误，麻烦高人指点！
（tomcat可以正常运行使用）

Resin Professional 4.0.33 (built Wed, 19 Dec 2012 10:13:09 PST)
Copyright(c) 1998-2012 Caucho Technology.  All rights reserved.

Starting Resin on Thu, 17 Jan 2013 16:55:56 +0800 (CST)

[13-01-17 16:55:57.713] {main}   Resin Professional has not found any valid licenses.
                         Licenses belong in D:\resin-pro-4.0.33\licenses.
                         See http://www.caucho.com/resin/sales for licensing information.
                       
  Resin Professional has not found any valid licenses.
  Licenses belong in D:\resin-pro-4.0.33\licenses.
  See http://www.caucho.com/resin/sales for licensing information.

[13-01-17 16:55:57.976] {main} <proxy-cache> requires Resin Professional.  Please see http://www.caucho.com for Resin Professional information and licensing.

[淅沥加油]

有人知道吗？？？？