org.dom4j.DocumentException: no protocol

来源：互联网发布：软件开发工作待遇, 编辑：程序博客网时间：2024/05/22 06:47

代码如下:

public Document getDocumentByString(String xml) {
SAXReader sax = new SAXReader();
Document xmlDoc = null;
try {
   xmlDoc = sax.read(xml);
} catch (UnsupportedEncodingException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
} catch (DocumentException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
}
return xmlDoc;
}

DOM4J 解析XML时出现以下问题:

org.dom4j.DocumentException: no protocol:
at org.dom4j.io.SAXReader.read(SAXReader.Java:484)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at com.mobile.parse.xml.ParseTest.getDocumentByString(ParseTest.java:45)
at com.mobile.parse.xml.ParseTest.main(ParseTest.java:105)
Nested exception:
java.NET.MalformedURLException: no protocol:

at java.Net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at org.dom4j.io.SAXReader.read(SAXReader.java:465)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at com.mobile.parse.xml.ParseTest.getDocumentByString(ParseTest.java:45)
at com.mobile.parse.xml.ParseTest.main(ParseTest.java:105)
Nested exception: java.net.MalformedURLException: no protocol:
at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)null

at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at org.dom4j.io.SAXReader.read(SAXReader.java:465)
at org.dom4j.io.SAXReader.read(SAXReader.java:321)
at com.mobile.parse.xml.ParseTest.getDocumentByString(ParseTest.java:45)
at com.mobile.parse.xml.ParseTest.main(ParseTest.java:105)

怎么解决哦?????

原因是XML文件和开发环境的编码问题.

将xmlDoc = sax.read(xml)改成:

xmlDoc = sax.read(new ByteArrayInputStream(xml.getBytes("UTF-8")));

这里保证编码的一致.就可以了!

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