bug fix:
{{{
[Sat Dec 14 09:12:19 2013] [error] [client 127.0.0.1] Could not create activity /svn/svn-testcase/!svn/act/fdb612bb-d8e5-2b41-8f11-18b67b0cf7af.  [500, #0]
[Sat Dec 14 09:12:19 2013] [error] [client 127.0.0.1] could not begin a transaction  [500, #720003]
[Sat Dec 14 09:12:19 2013] [error] [client 127.0.0.1] Can't create directory 'I:\\thinkbase.net\\test-env\\data\\svn-testcase\\db\\transactions\\17-k.txn': \xe7\xb3\xbb\xe7\xbb\x9f\xe6\x89\xbe\xe4\xb8\x8d\xe5\x88\xb0\xe6\x8c\x87\xe5\xae\x9a\xe7\x9a\x84\xe8\xb7\xaf\xe5\xbe\x84\xe3\x80\x82    [500, #720003]
}}}