Caused by: org.xml.sax.SAXParseException: The processing instruction target matching "[xX][mM][lL]"

自己做一个项目的时候土人报这个错误

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'loginController': Unsatisfied dependency expressed through field 'adminService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'adminServiceImpl': Unsatisfied dependency expressed through field 'adminMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'adminMapper' defined in file [F:SSMPRO0SpringBoot-项目研发管理平台 -worker-managertargetclassescomhuworkermanagermapperadminMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [F:SSMPRO0SpringBoot-项目研发管理平台 -worker-managertargetclassesmapperadminMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance.  Cause: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 6; T**he processing instruction target matching "[xX][mM][lL]" is not allowed.**

弄了半天终于解决了

原因是如上图红色箭头那里出现了空格，这也是自己不小心造成的，copy这个文件头的时候出的差错

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