It is going in infinite loop ...
rewrite log ...
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (2) init rewrite engine with requested uri /
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (3) applying pattern '(.*)' to uri '/'
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (2) rewrite '/' -> 'http://cjrumao.com/webmail//'
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (2) explicitly forcing redirect with
http://cjrumao.com/webmail//
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (3) applying pattern '(.*)' to uri 'http://cjrumao.com/webmail//'
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (2) rewrite 'http://cjrumao.com/webmail//' -> 'http://cjrumao.com/webmail/http://cjrumao.com/webmail//'
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (2) explicitly forcing redirect with
http://cjrumao.com/webmail/http://cjrumao.com/webmail//
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (3) applying pattern '(.*)' to uri 'http://cjrumao.com/webmail/http://cjrumao.com/webmail//'
120.60.138.194 - - [13/Jan/2011:09:15:10 +051800] [webmail.cjrumao.com/sid#b8522230][rid#b883d510/initial] (2) rewrite 'http://cjrumao.com/webmail/http://cjrumao.com/webmail//' -> 'http://cjrumao.com/webmail/http://cjrumao.com/webmail/http://cjrumao.com/webmail//'
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