【文章推薦】mysql 錯 Could not open JDBC Connection for transaction; nested exception is java.sql.SQLExceptio

原文：mysql 錯 Could not open JDBC Connection for transaction; nested exception is java.sql.SQLExceptio

我的報錯的原因是數據庫連接失敗。一般項目等好長時間才報錯就是沒連上數據庫，因為沒連上數據庫需要等幾秒才會報錯檢查用戶名密碼錯誤沒很少人犯這種錯誤數據庫依賴的jar包，現在好多人看視頻學習，其實有的jar包更新好快，用之前的jar包不能連接現在高版本數據庫我就是這個原因看一下自己mysql數據庫版本，上網找一下對應的jar包 ...

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Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: Connectio

嚴重: StandardWrapper.Throwable org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction ...

報錯： Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: An attempt by a client to checkout a Connection has

Could not open JDBC Connection for transaction; nested exception is com.alibaba.druid.pool.GetConnection

Could not open JDBC Connection for transaction; nested exception is com.alibaba.druid.pool.GetConnectionTimeoutException: wait millis 3000, active 16 ...

【錯誤】：Could not open JDBC Connection for transaction; nested exception is: Communications link failure;The last packet sent successfully to the server

# #錯誤日志 2016-11-10 16:19:20,834 ERROR [org.quartz.core.JobRunShell] - Job DEFAULT.jobtask threw an unhandled Exception ...

Could not open JDBC Connection for transaction

Could not open JDBC Connection for transaction; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection ...

Could not get JDBC Connection; nested exception is java.sql.SQLException: ${jdbc.driver}

在一個SSM分布式項目中一個服務報錯：獲取不到數據池連接，其他service都好好的。最后發現是數據庫配置文件沒有讀取的原因 ...

Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create

報錯信息：Could not open JDBC Connection for transaction; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create ...

記Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could no

搭建ssm項目時遇到的問題解決：url加上：useJDBCCompliantTimezoneShift=true&serverTimezone=UTCjdbc.url=jdbc:mysql://127.0.0.1:3306/test?useUnicode=true& ...

原文：mysql 錯 Could not open JDBC Connection for transaction; nested exception is java.sql.SQLExceptio

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