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【BUG】xml讀取異常Invalid byte 1 of 1-byte UTF-8 sequence 解決：

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

xml讀取異常Invalid byte 1 of 1-byte UTF-8 sequence

說簡單點當你解析别人的xml格式出現這個錯誤可能就是别人在生成xml時沒有儲存為utf-8的字元編碼格式。

在中文版的window下java的預設的編碼為GBK，也就是所雖然我們辨別了要将xml儲存為utf-8格式但實際上檔案是以GBK格式來儲存的，是以這也就是為什麼能夠我們使用GBK、GB2312編碼來生成xml檔案能正确的被解析，而以UTF-8格式生成的檔案不能被xml解析器所解析的原因。

xml解析時遇到的編碼異常：

[java] view plain copy print ?

  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)

解決：

1、最簡單就是把<?xml version="1.0" encoding="UTF-8"?>改成<?xml version="1.0" encoding="gbk"?>

2、或者把xml打開另存的時候把字元集改為UTF-8後儲存

3、在代碼解析的時候先把xml重新寫一遍

[javascript] view plain copy print ?

  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"); //改變編碼方式     
  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"); //改變編碼方式  
  XMLWriter writer = new XMLWriter(new FileWriter "d:\\dom4j.xml"), of);

4、直接dom4j讀取的時候用io來讀，修改字元編碼

[java] view plain copy print ?

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

轉載于:https://www.cnblogs.com/helloxiaoxiang/p/3748100.html

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