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記得以前有過一次，今天用戶再次反應又連不上數據庫了，遇到問題總要先查找原因，後尋找解決辦法，這個過程困難，也給心裡造成壓力。 避免後續再次出現同樣的問題，能夠最快時間順利輕鬆解決，今天就記錄之，平衡心理壓力呵... 問題描述： [oracle@test dbs]$ oerr ora 12516 12516, 00000, "TNS:listener could not find available handler with matching protocol stack" // *Cause: None of the known and available service handlers for the given // SERVICE_NAME support the client's protocol stack: transport, session, // and presentation protocols. // *Action: Check to make sure that the service handlers (e.g. dispatchers...
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