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This application has no explicit mapping for /error, so you are seeing this as a fallback.

Mon Jul 23 10:31:11 CST 2018

There was an unexpected error (type=Internal Server Error, status=500).

nested exception is org.apache.ibatis.exceptions.PersistenceException: ### Error querying database.  Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'course' ### The error may exist in file [D:\git-workspace\muketest\AutoTesting\Chapter11\target\classes\mapper\mysql.xml] ### The error may involve com.course.getUserCount ### The error occurred while executing a query ### Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'course'