How can i solve this problem

How can i solve this problem
when i install the weblogic in the linux system,i really get this error,i don't how to solve the problem i faced!hope someone can give me some advise thx
org.xml.sax.SAXParseException:The root element is required in a well-formed document.
at org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1213)
at org.apache.xerces.framework.XMLDocumentScanner.reportFatalXMLError(XMLDocumentScanner.java:570)
at org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.endOfInput(XMLDocumentScanner.java:790)
at org.apache.xerces.framework.XMLDocumentScanner.endOfInput(XMLDocumentScanner.java:418)
at org.apache.xerces.validators.common.XMLValidator.sendEndOfInputNotifications(XMLValidator.java:712)
at org.apache.xerces.readers.DefaultEntityHandler.changeReaders(DefaultEntityHandler.java:1031)
at org.apache.xerces.readers.XMLEntityReader.changeReaders(XMLEntityReader.java:168)
at org.apache.xerces.readers.UTF8Reader.changeReaders(UTF8Reader.java:182)
at org.apache.xerces.readers.UTF8Reader.lookingAtChar(UTF8Reader.java:197)
at org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.dispatch(XMLDocumentScanner.java:686)
at org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1098)
at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:195)
at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:98)
at com.bea.plateng.wizard.installer.common.parsers.TemplateParser.parserWrapper(TemplateParser.java:53)
at com.bea.plateng.wizard.installer.common.parsers.TemplateParser.getTemplateInfo(TemplateParser.java:71)
at com.bea.plateng.wizard.installer.common.parsers.TemplateParserHelper.getTemplateInfo(TemplateParserHelper.java:94)
at com.bea.plateng.wizard.installer.silent.tasks.ReadSilentXMLTask.execute(ReadSilentXMLTask.java:45)
at com.bea.plateng.wizard.silent.tasks.AbstractSilentTask.run(AbstractSilentTask.java:28)
at java.lang.Thread.run(Thread.java:595)
Silent Install Failed!Reason:null
** Error during execution,error code = 65280.
Installation failed.Please refer to the log in /u01/app/bea/logs

当我安装的WebLogic在Linux系统,我真的得到这个错误,我不如何解决这个问题i面临的!希望有人可以给我一些意见!thx !
你真悍,应该是发错地方了.