【BUG】xml读取异常Invalid byte 1 of 1-byte UTF-8 sequence

来自http://blog.csdn.net/chenyanbo/article/details/6866941

xml读取异常Invalid byte 1 of 1-byte UTF-8 sequence

说简单点当你解析别人的xml格式出现这个错误可能就是别人在生成xml时没有保存为utf-8的字符编码格式。

在中文版的window下java的默认的编码为GBK，也就是所虽然我们标识了要将xml保存为utf-8格式但实际上文件是以GBK格式来保存的，所以这也就是为什么能够我们使用GBK、GB2312编码来生成xml文件能正确的被解析，而以UTF-8格式生成的文件不能被xml解析器所解析的原因。

xml解析时遇到的编码异常：

1. org.dom4j.DocumentException: Invalid byte 1 of 1-byte UTF-8 sequence. Nested exception: Invalid byte 1 of 1-byte UTF-8 sequence.
2. at org.dom4j.io.SAXReader.read(SAXReader.java:484)
3. at org.dom4j.io.SAXReader.read(SAXReader.java:321)
4. at com.dataoperate.PaseXml.pXml(PaseXml.java:28)
5. at com.dataoperate.JdbcOp.insertDb(JdbcOp.java:30)
6. at com.dataoperate.JdbcOp.main(JdbcOp.java:89)
7. Nested exception:
8. com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.
9. at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:684)
10. at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:554)
11. at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1742)
12. at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.peekChar(XMLEntityScanner.java:487)
13. at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2687)
14. at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
15. at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
16. at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
17. at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
18. at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
19. at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
20. at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
21. at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
22. at org.dom4j.io.SAXReader.read(SAXReader.java:465)
23. at org.dom4j.io.SAXReader.read(SAXReader.java:321)
24. at com.dataoperate.PaseXml.pXml(PaseXml.java:28)
25. at com.dataoperate.JdbcOp.insertDb(JdbcOp.java:30)
26. at com.dataoperate.JdbcOp.main(JdbcOp.java:89)
27. Nested exception: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.
28. at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:684)
29. at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:554)
30. at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1742)
31. at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.peekChar(XMLEntityScanner.java:487)
32. at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2687)
33. at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
34. at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
35. at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
36. at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
37. at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
38. at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
39. at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
40. at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
41. at org.dom4j.io.SAXReader.read(SAXReader.java:465)
42. at org.dom4j.io.SAXReader.read(SAXReader.java:321)
43. at com.dataoperate.PaseXml.pXml(PaseXml.java:28)
44. at com.dataoperate.JdbcOp.insertDb(JdbcOp.java:30)
45. at com.dataoperate.JdbcOp.main(JdbcOp.java:89)

org.dom4j.DocumentException: Invalid byte 1 of 1-byte UTF-8 sequence. Nested exception: Invalid byte 1 of 1-byte UTF-8 sequence.
	at org.dom4j.io.SAXReader.read(SAXReader.java:484)
	at org.dom4j.io.SAXReader.read(SAXReader.java:321)
	at com.dataoperate.PaseXml.pXml(PaseXml.java:28)
	at com.dataoperate.JdbcOp.insertDb(JdbcOp.java:30)
	at com.dataoperate.JdbcOp.main(JdbcOp.java:89)
Nested exception:
com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.
	at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:684)
	at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:554)
	at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1742)
	at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.peekChar(XMLEntityScanner.java:487)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2687)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
	at org.dom4j.io.SAXReader.read(SAXReader.java:465)
	at org.dom4j.io.SAXReader.read(SAXReader.java:321)
	at com.dataoperate.PaseXml.pXml(PaseXml.java:28)
	at com.dataoperate.JdbcOp.insertDb(JdbcOp.java:30)
	at com.dataoperate.JdbcOp.main(JdbcOp.java:89)
Nested exception: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.
	at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:684)
	at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:554)
	at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1742)
	at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.peekChar(XMLEntityScanner.java:487)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2687)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
	at org.dom4j.io.SAXReader.read(SAXReader.java:465)
	at org.dom4j.io.SAXReader.read(SAXReader.java:321)
	at com.dataoperate.PaseXml.pXml(PaseXml.java:28)
	at com.dataoperate.JdbcOp.insertDb(JdbcOp.java:30)
	at com.dataoperate.JdbcOp.main(JdbcOp.java:89)

解决：

1、最简单就是把<?xml version="1.0" encoding="UTF-8"?>改成<?xml version="1.0" encoding="gbk"?>

2、或者把xml打开另存的时候把字符集改为UTF-8后保存

3、在代码解析的时候先把xml重新写一遍

1. SAXReader reader = new SAXReader();
2. org.dom4j.Document document = reader.read("D:\\ha.xml");
3. OutputFormat of = new OutputFormat();
4. of.setEncoding("UTF-8"); //改变编码方式
5. XMLWriter writer = new XMLWriter(new FileWriter "d:\\dom4j.xml"), of);

 SAXReader reader = new SAXReader();
  org.dom4j.Document document = reader.read("D:\\ha.xml");
  OutputFormat of = new OutputFormat();
  of.setEncoding("UTF-8"); //改变编码方式
  XMLWriter writer = new XMLWriter(new FileWriter "d:\\dom4j.xml"), of);  

4、直接dom4j读取的时候用io来读，修改字符编码

1. FileInputStream in = new FileInputStream(new File(fileName));
2. Reader read = new InputStreamReader(in,"gbk");
3. Document document = reader.read(read);