windows nginx出現 was not signaled for 5s的看過來

windows下 nginx 配置ssl的key是不能存儲密碼的，否則啟動時會提示輸入密碼 
輸入后也啟動不起來，會報錯： 
2011/04/18 09:49:09 [alert] 1992#4548: the event "ngx_master_1992" was 
not signaled for 5s 

解決方案是將密碼刨掉，用法： 
openssl rsa -in f:/ssl.key -out f:/ssl.key.unsecure