關於的解決Connections could not be acquired from the underlying database!的異常報錯

阿新 • • 發佈：2018-12-05

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
1. 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
2. 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

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

解決 Connections could not be acquired from the underlying database!

java.sql.SQLException: Connections could not be acquired from the underlying database! [See nested exception: java.sql.SQLException

解決Connections could not be acquired from the underlying database!的問題

Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database!做Sp

Connections could not be acquired from the underlying database! 解決方案

Connections could not be acquired from the underlying database! //不能連線當前所配置的資料庫 TNS-12541: TNS:no listener //無監聽程式 TNS-12560: TNS:protocol adapter error //

連線資料庫Oracle12c異常解決：Connections could not be acquired from the underlying database

Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database! 之前本地使用的oracle11g，結果伺服器上來了一個Oracle12c，瞬間就連不上了，害得我花費

解決：Connections could not be acquired from the underlying database!

問題現場如下； Caused by: java.sql.SQLException: Connections could not be acquired from the underlying data

Connections could not be acquired from the underlying database!

Could not get JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database! 今

spring連線c3p0出現錯誤 Connections could not be acquired from the underlying database!

"C:\Program Files\Java\jdk1.8.0_60\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:D:\IDEA\lib\idea_rt.jar=61942:D:\IDEA\bin -Dfil

java.sql.SQLException: Connections could not be acquired from the underlying database!

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java SQLserver JDBC 連線報錯Connections could not be acquired from the underlying database!

Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested

JavaWeb:c3p0配置問題-----java.sql.SQLException: Connections could not be acquired from the underlying database!

錯誤原因 c3p0的配置錯誤錯誤顯示 "C:\Program Files\Java\jdk1.8.0_162\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:D:\Program\Softw

關於java.sql.SQLException: Connections could not be acquired from the underlying database!

1.報錯資訊：（本人用的連線資料庫的是C3P0）java.lang.RuntimeException: java.sql.SQLException: Connections could not be acquired from the underlying database

Connections could not be acquired from the underlying databa

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關於的解決Connections could not be acquired from the underlying database!的異常報錯

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