3 回答org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in com/imooc/config/sqlxml/Command.xml

3 回答Servlet.service() for servlet [ListServlet] in context with path [/MicroMessage] threw exception [Servlet execution threw an exception] with root cause java.lang.StackOverflowError

1 回答 Error querying database. Cause: java.sql.SQLException: Unexpected exception encountered during query.

1 回答Content is not allowed in prolog.

5 回答### Error building SqlSession. ### The error may exist in com/imooc/config/sqlxml/Message.xml