org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection 可能出现的原因                                                                                           解决方案 1.数据库地址不同                                    ping一下数据库地址,看…

错误: Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Communications link failure Last packet sent…

org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection 这个问题困扰许久,许久.原来只是data source的properties引入文件,el表达式前必须加jdbc 原文解决参考:http://blog.csdn.net/liwuyang2013/article/details/25986597 org.apache.ibatis.exceptions.Persisten…

我出现的 报错信息如下: ### Error querying database. Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (ORA-01…

org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Could not create connection to database server. Attempt…

MySQL的驱动改名了,如果使用原来的com.mysql.jdbc.Driver 那么会提醒驱动不正常了,那么新的MySQL驱动名为:com.mysql.cj.jdbc.Driver 之后还报错,如题目,具体的内容没有记下,报错肯定要Debug了,那么解决方案是: show variables like '%time_zone%'; set global time_zone='+8:00'; 只是第二条就能修复这个bug了.…

数据库连接超时,是数据库连接时的相关配置写错,例如:数据库密码,驱动等问题…

严重: Servlet.service() for servlet [SpringMVC] in context with path [/ssm] threw exception [Request processing failed; nested exception is org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException…

详情如下: 2019-07-28 10:56:18.229 ERROR 16212 --- [nio-8081-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.myba…

Mysql版本的相关问题:com.mysql.cj.jdbc.Driver和com.mysql.jdbc.Driver 1. 在使用mysql时,控制台日志报错如下: Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and…