異常如下：

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by org.dom4j.io.SAXContentHandler (file:/C:/Users/admin/eclipse-workspace/test2/lib/dom4j-1.6.1.jar) to method com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser$LocatorProxy.getEncoding()

WARNING: Please consider reporting this to the maintainers of org.dom4j.io.SAXContentHandler

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release