为什么mabatis的配置sqlMapConfigxml文件中文注释报错

Error如下:

Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException:

### Error building SqlSession.

### Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 2 of 2-byte UTF-8 sequence.

at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)

at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:82)

at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSe