【文章推薦】Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection；Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.

原文：Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection；Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.

本人今天新部署在UAT環境的war包,一直進不去系統，但是tomcat服務器 ip: 是能進去的，查詢日志為： Caused by: com.mchange.v .resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v .resourcepool ...

2017-06-13 10:45 0 1576 推薦指數：

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log報錯： Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.

報錯：解決方式： 1、登錄數據庫查看錯誤原因結果發現賬號無法正常登錄出現賬號被鎖定的錯誤。 2、如何賬號解鎖？用sys系統管理員賬號登錄數據庫 SQL> alter user 用戶名 account unlock; (解鎖) SQL>alter user ...

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

mysql數據庫連接出問題，提示超時 java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.解決辦法

mysql數據庫連接出問題，提示超時，后來發現問題在於連接mysql數據庫的jar包跟數據庫版本不對應導致的，更換jar包一致就解決了。 ...

Could not obtain connection to query metadata : An attempt by a client to checkout a Connection has timed out.]

hibernate c3p0配置： <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans ...

配置c3p0連接池出現錯誤：java.sql.SQLException: An attempt by a client to checkout a Connection has timed

了mchange-commons-java-0.2.19.jar這個jar包但后邊出現了：java.sql.SQLException: An ...

c3p0連接錯誤 An attempt by a client to checkout a Connection has timed out.

問題http://chembo.iteye.com/blog/905233 mysql最大連接數設置 http://zhidao.baidu.com/link?url=8YXlt73Ktr6pRD ...

登錄Cloudera Manager時報錯org.hibernate.exception.GenericJDBCException: Could not open connection

(LogicalConnectionImpl.java:157) at org.hibernate.engine.tra ...

cloudera-scm-server啟動時出現Caused by: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection

　　問題現象　　　　查看　　　　是如下的問題： ...

原文：Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection；Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.

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