Subversion Error 2

[Sat Dec 31 09:08:38 2011] [error] [client 192.168.0.253] Provider encountered an error while streaming a REPORT response.  [500, #0]

[Sat Dec 31 09:08:38 2011] [error] [client 192.168.0.253] A failure occurred while driving the update report editor  [500, #620018]

[Sat Dec 31 09:08:38 2011] [error] [client 192.168.0.253] Error writing base64 data: APR does not understand this error code  [500, #620018]

SVN报以上错误，如果通过fille://的方式跳过Apache可以正常访问，升级apr即可解决。