1回答

• 

  天使踩麻木

  2018-06-22 14:41:41

  这是错误类型

  ### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!

  ### The error may exist in file [E:\android\target\classes\mapper\UserInfo.xml]

  ### The error may involve com.lee.android.dao.UserInfoDao.queryUserInfo

  ### The error occurred while executing a query

  ### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!

  
  

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