我在hibernate配置单个mapping resource是正确的,但是配置多个mapping resource是错误的,为什么?
java.lang.ExceptionInInitializerError
Caused by: org.hibernate.InvalidMappingException: Unable to read XML
Caused by: org.dom4j.DocumentException: http://hibernate.org/dtd/hibernate-mapping-3.0.dtd%20 Nested exception: http://hibernate.org/dtd/hibernate-mapping-3.0.dtd%20
java.lang.NullPointerException