【报错： Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: An attempt by a client to checkout a Connection has timed out. 数据库连接超时】的更多相关文章

报错： Could not open JDBC Connection for transaction; nested exception is java.sql.SQLException: An attempt by a client to checkout a Connection has timed out. 数据库连接超时

解决方法一: [oracle@data ~]$ sqlplus / as sysdba——连接到数据库 SQL*Plus: Release 11.2.0.4.0 Production on Mon May 8 16:37:56 2017 Copyright (c) 1982, 2013, Oracle.  All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 6…

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

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

报错: 解决方式: 1.登录数据库查看错误原因 结果发现账号无法正常登录出现账号被锁定的错误. 2.如何账号解锁? 用sys系统管理员账号登录数据库 SQL> alter user 用户名 account unlock; (解锁) SQL>alter user username identified by password;(重置用户密码:其中username为用户名,password为新密码) 再次用新密码登录,就能正常进行登录了. 注意:在进行解锁设置时,必须先停止用被锁定的账号连接数据库…

### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.SQLException: An attempt by a client to chec

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mysql数据库连接出问题，提示超时 java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.解决办法

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