javaException .PersistenceException: ### Error querying database.Cause: java.lang.NullPointerException Error querying database. Cause: java.lang.NullPointerException The error may exist in com/wei/mapper/UserMapper.xml The error may involve com.wei.mapper.UserMapper.findAll The error occurred while executing a query 오류가 U... javaException
.PersistenceException: ### Error querying database.Cause: java.lang.NullPointerException Error querying database. Cause: java.lang.NullPointerException The error may exist in com/wei/mapper/UserMapper.xml The error may involve com.wei.mapper.UserMapper.findAll The error occurred while executing a query 오류가 U... javaException