Better error handling when the cache is initialized with a directory
that does not exist and it cannot create.

Review at http://gwt-code-reviews.appspot.com/1380808


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9897 8db76d5a-ed1c-0410-87a9-c151d255dfc7
5 files changed