加载配置报错

2017-10-15 23:09:14,988 [ERROR] [main] [com.jd.springtest.base.UnitTestBase.before(UnitTestBase.java:35)] 加载配置文件出错！org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 1 in XML document from class path resource [com/jd/springtest/file/mydata_source.properties] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; 前言中不允许有内容。