c3p0连接异常处理

com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@11d9f05 -- Acquisition Attempt Failed!!! Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception:

解决方案:

  1. 检查c3p0、mysql-connector-java这两个jar包是否导入
  2. 检查c3p0-config.xml是否放在了src根目录下
  3. 检查c3p0-config.xml文件名字是否拼写正确
  4. 检查c3p0-config.xml配置中的数据库URL,账号,密码是否正确

你可能感兴趣的:(web程序设计)