错误: java.lang.AbstractMethodError: org.apache.xerces.dom.DocumentImpl.setXmlVersion(Ljava/lang/String;)V at com.sun.org.apache.xalan.internal.xsltc.trax.SAX2DOM.setDocumentInfo(Unknown Source) at com.sun.org.apache.xalan.internal.xsltc.trax.SAX2DOM.s…