轉載 http://www.xwood.net/_site_domain_/_root/5870/5874/t_c262627.html
一、異常描述
啓動weblogic應用服務,通過部署名稱訪問服務，報出“Error 503--Service Unavailable ..From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:..”,如下圖所示
異常描述如下
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Error 503--Service Unavailable
From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:
10.5.4 503 Service Unavailable
The server is currently unable to handle the request due to a temporary overloading or maintenance of the server.
The implication is that this is a temporary condition which will be alleviated after some delay.
If known, the length of the delay may be indicated in a Retry-After header. If no Retry-After is given, the client SHOULD handle the response as it would for a 500 response.
Note: The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers may wish to simply refuse the connection.
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二、解決方法
這個是因爲weblogic對於部署應用沒有有效啓動，請選擇對於的部署服務名稱，點擊啓動，就可以正常訪問了，如下圖所示
![解決WebLogic Server訪問瀏覽器提示服務不可用異常503–Service Unavailable]()
