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添加完相关jar包，写完配置文件，写完测试类，运行提示
WARN:Establishing SSL connection without server‘s identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn‘t set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to ‘false‘. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification
这个是因为jdbcurl配置要改为
jdbcUrl=jdbc:mysql://localhost:3306/gss?useUnicode=true&characterEncoding=utf8&useSSL=true
继续运行报如下错误：
org.hibernate.exception.GenericJDBCException: Cannot open connection Caused by: java.sql.SQLException: Connections could not be acquired from the underlying database! Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
网上大多解决方案都是检查数据库连接 驱动 用户名 密码是否正确 附上我的配置：
jdbcUrl=jdbc:mysql://localhost:3306/gss?useUnicode=true&characterEncoding=utf8&useSSL=true driverClass=com.mysql.jdbc.Driver user=root password=root initialPoolSize=10 maxPoolSize=30
依然报上面的错误，N Hours后发现是mysql驱动jar包问题，用的6.0.2，换成5.1.32就可以了
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.32</version>
</dependency>
解决Failed to load class "org.slf4j.impl.StaticLoggerBinder"
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
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原文地址：http://www.cnblogs.com/God-/p/5500701.html
