ORA-12514: TNS:listener does not currently know of service requested in connect

今天啓動連接Oracle的PLSQL時突然報錯ORA-12514: TNS:listener does not currently know of service requested in connect 這是因爲listener.ora文件出現了問題，打開你安裝 oracle目錄下的的listener.ora文件，我是安裝在虛擬機上的 找到這樣一段配置： SID_LIST_LISTENER =

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