HTTP Status 503 - This application is not currently available

http status 500 是什么错误HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling th HTTP Status 500 - 急 HTTP Status 503 - This application is not currently available JSP页面报错,HTTP Status 503 - This application is not currently available HTTP Status 500 - 我刚开始学jsp 请问：HTTP Status 500 - 出现问题的页面提示如下：HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server HTTP Status 404 - /BookStore--------------------------------------------------------------------------------type Status reportmessage /BookStoredescription The requested resource (/BookStore) is not available.----------------------------------------- HTTP Status 403 - request denied!illegal user request什么意思 HTTP Status 500 - 如何处理好麻烦,总出现,还有, Status Status status status HTTP Status 404 - /lib/--------------------------------------------------------------------------------type Status reportmessage /lib/description The requested resource (/lib/) is not available.这是什么错误? HTTP Status 500 - 如何解决HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling thi HTTP Status 500 错误HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this reques 英语翻译This is an HTTP status line.Every HTTP response starts with a status line.The status line consists of the HTTP version,a status code,and a reason phrase.The HTTP response code 200 means everything was fine; that is why Tomcatincluded the HTTP Status 503 - This application is not currently available以下是错误代码?该怎么解决呢?信息:Starting Servlet Engine:Apache Tomcat/6.0.162009-11-3 20:31:47 org.apache.tomcat.util.modeler.Registry registerComponent严重:Null component server error codesStatus code Description500 Internal Server Error.501 Not Implemented.502 Bad Gateway.503 Service Unavailable.504 Gateway Timeout.505 HTTP Version Not Supported.509 Bandwidth Limit Exceeded.(This status code,although used by many ser