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java.sql.SQLException: No suitable driver at java.sql.DriverManager.getDriver(Unknown Source)
com.mchange.v2.resourcepool.BasicResourcePool
警告: Having failed to acquire a resource, com.mchange.v2.resourcepool.BasicResourcePool@45637a33 is interrupting all Threads waiting on a resource to check out. Will try again in response to new client requests.
java.sql.SQLException: Connections could not be acquired from the underlying database! at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118)
<? xml version = "1.0" encoding = "UTF-8" ?> < property name = "driverClass" > com.mysql.jdbc.Driver </ property > < property name = "jdbcUrl" > jdbc:mysql://localhost:3306/Estore </ property > < property name = "user" > estore </ property > < property name = "password" > estore </ property > 原因:(1)很有可能c3p0-config.xml中的配置文件出现问题,比如我是因为把“driverClass”不小心写成了“driver”, 所以在书写c3p0-config.xml要特别小心,可能多一个空格或者格式稍有问题,都会报以上错误。 (2)没有将mysql-connector-java-****-bin.jar包加入到Java运行环境的外部jar包的存放的位置。 解决之策: 在JAVA_HOME目录下的 jre\lib\ext文件下 (如E:\jdk8\jre\lib\ext)放置一个 连接MySQL数据库的jar包mysql- connector-java-****-bin.jar 解决之策:检查是否在WebRoot\WEB-INF\lib目录下是否导入了合适的 mysql-connector-java-****-bin.jar包,没有则导入再重启服务器即可。 以上内容转载自https://blog.csdn.net/yuanziwoxin/article/details/72668860,若涉及侵权,请联系删除!