關於的解決Connections could not be acquired from the underlying database!的異常報錯
關於的解決Connections could not be acquired from the underlying database!的異常報錯
當然網上有各種解決辦法,一下是我複製貼上的
- 連線資料庫引數配置是否正確
檢視連線的url 使用者名稱 密碼是否正確 ,密碼是否過期
-
檢視資料庫server是否處於執行狀態
如server沒有啟動 重啟server
-
檢查到資料server的網路連線是否正常
-
連線到資料庫server的連線數是否已經達到最大連線數
-
如已經達到最大連線數,檢查程式是否使用連線後沒有釋放
-
上調資料庫最大連線數設定
-
當然這些都沒有解決我的問題
最後發現是jar包版本太低的原因導致的,索性將jar包直接引入為8版本的,完美解決問題
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