dom4j解析时报错 org.dom4j.DocumentException: Error on line 1 of document :

Question

看代码  loading.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
if(newsversion.equals(loadversion)){
loading.append("<response><state>");
loading.append("false");
loading.append("</state><url>");
loading.append(newsurl);
loading.append("</url>");
loading.append("<version>");
loading.append(newsversion);
loading.append("</version>");
loading.append("<info>null</info>");
loading.append("</response>");
}else{
loading.append("<response><state>");
loading.append("true");
loading.append("</state><url>");
loading.append(newsurl);
loading.append("</url>");
loading.append("<version>");
loading.append(newsversion);
loading.append("</version>");
loading.append("<info>").append(SystemConfig.loadStr("system.versioninfo")).append("</info>");
loading.append("</response>");

Answer 1

所有的xml都在一样，因此你没法判断到底是哪个节点的问题，可以先加上换行，然后再试试
loading.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>").append("\n");
loading.append("<response>").append("\n");

Answer 2

应该是：所有的xml都在一行