java.sql.SQLException: Connections could not be acquired from the underlying database!
警告: com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@2b121272 -- Acquisition Attempt Failed ...
原文：【JDBC 报错】Connections could not be acquired from the underlying database!
项目启动报错： View Code 解决办法： 驱动配置有误：driver com.mysql.jdbc.Driver 数据库连接地址有误：url jdbc:mysql: localhost: test useUnicode true amp characterEncoding utf 密码或帐号有误：username root password root 数据库未启动或无权访问 项目未引入对应的 ...
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