问题描述：第一次安装卸载后，在第二次、第三次安装oracle10g过程中均出现oracle安装过程中出现java.io.UTFDataFormatException: Invalid UTF8 encoding at oracle.xml.parser.v2.XMLUTF8Reader.checkUTF8Byte(XMLUTF8Reader.java:160) at oracle.xml.parser.v2.XMLUTF8Reader.readUTF8Char(XMLUTF8Reader.java:175) at oracle.xml.parser.v2.XMLUTF8Reader.fillBuffer(XMLUTF8Reader.java:120) at oracle.xml.parser.v2.XMLByteReader.saveBuffer(XMLByteReader.java:450) at oracle.xml.parser.v2.XMLReader.fillBuffer(XMLReader.java:2229) at oracle.xml.parser.v2.XMLReader.tryRead(XMLReader.java:994) at oracle.xml.parser.v2.XMLReader.scanXMLDecl(XMLReader.java:2788) at oracle.xml.parser.v2.XMLReader.pushXMLReader(XMLReader.java:502) at oracle.xml.parser.v2.XMLReader.pushXMLReader(XMLReader.java:205) at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:177) at oracle.sysman.oix.oixs.OixsSAXXmlParser.readXML(OixsSAXXmlParser.java:120) at oracle.sysman.oix.oixs.OixsSAXXmlParser.readXML(OixsSAXXmlParser.java:155) at oracle.sysman.oii.oiig.OiigSourceConfigs.loadFromFile(OiigSourceConfigs.java:365) at oracle.sysman.oii.oiic.OiicPullSession.loadSourceConfigs(OiicPullSession.java:1686) at oracle.sysman.oii.oiic.OiicPullSession.initialize(OiicPullSession.java:941) at oracle.sysman.oii.oiic.OiicSessionWrapper.initialize(OiicSessionWrapper.java:620) at oracle.sysman.oii.oiic.OiicSessionWrapper.initialize(OiicSessionWrapper.java:604) at oracle.sysman.oii.oiic.OiicInstaller.run(OiicInstaller.java:388) at oracle.sysman.oii.oiic.OiicInstaller.runInstaller(OiicInstaller.java:717) at oracle.sysman.oio.oioc.OiocOneClickInstaller.runInstaller(OiocOneClickInstaller.java:1987) at oracle.sysman.oio.oioc.OiocOneClickInstaller.main(OiocOneClickInstaller.java:2201) 请问这是什么原因引起的？如何解决？