Hadoop encountered fatal Conf. Configuration: Error parsing CONF file, exception

FATAL conf.Configuration: error parsing conf file: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.14/07/12 23:51:40 ERROR namenode.NameNode: java.lang.RuntimeException: com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence.at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:1235)at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:1099)at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:1045)at org.apache.hadoop.conf.Configuration.set(Configuration.java:420)at org.apache.hadoop.hdfs.server.namenode.NameNode.setStartupOption(NameNode.java:1320)at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1394)at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1419)Caused by: 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.skipChar(XMLEntityScanner.java:1416)at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2792)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.DOMParser.parse(DOMParser.java:235)at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:284)at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:180)at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:1148)... 6 more

When this exception occurs in hadoop namenode-format, it is generally caused by checking the encoding of Several configuration files under the hadoop conf directory to see if there is any abnormal encoding or wrong code, copy changes in a unified manner.