错误降级grails 2.0.0.RC1

Question

我正在将我的应用程序升级到Grails 2.0.0 RC3。

现在，我想将我的应用程序降级为Grails 2.0.0 RC1，但是当我运行它时出现此错误：

Error 500: Internal Server Error

URI
    /directory/
Class
    java.lang.IllegalStateException
Message
    No thread-bound request found: Are you referring to request attributes outside of an actual web
    request, or processing a request outside of the originally receiving thread? If you are actually
    operating within a web request and still receive this message, your code is probably running
    outside of DispatcherServlet/DispatcherPortlet: In this case, use RequestContextListener or
    RequestContextFilter to expose the current request.

Trace

   Line | Method
->> 886 | runTask in java.util.concurrent.ThreadPoolExecutor$Worker
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|   908 | run     in     ''
^   662 | run . . in java.lang.Thread

我不知道如何摆脱它。