Java报错:The processing instruction must begin with the name of the target.

本文介绍了正确的XML声明格式,强调了去除空格的重要性。正确的格式为<?xmlversion=1.0encoding=UTF-8?>,确保XML文档能够被正确解析。

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原因是:

<? xml version="1.0" encoding="UTF-8" ?>这里面有空格

正确形式为:<?xml version="1.0" encoding="UTF-8"?>

[root@hadoop01 conf]# hive [Fatal Error] hive-site.xml:1:3: The processing instruction must begin with the name of the target. 25/06/11 04:09:28 FATAL conf.Configuration: error parsing conf file:/opt/programs/apache-hive-1.2.2-bin/conf/hive-site.xml org.xml.sax.SAXParseException; systemId: file:/opt/programs/apache-hive-1.2.2-bin/conf/hive-site.xml; lineNumber: 1; columnNumber: 3; The processing instruction must begin with the name of the target. at org.apache.xerces.parsers.DOMParser.parse(Unknown Source) at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source) at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:150) at org.apache.hadoop.conf.Configuration.parse(Configuration.java:2552) at org.apache.hadoop.conf.Configuration.parse(Configuration.java:2540) at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2611) at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2574) at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2477) at org.apache.hadoop.conf.Configuration.get(Configuration.java:1302) at org.apache.hadoop.hive.conf.HiveConf.getVar(HiveConf.java:2615) at org.apache.hadoop.hive.conf.HiveConf.getVar(HiveConf.java:2636) at org.apache.hadoop.hive.conf.HiveConf.initialize(HiveConf.java:2707) at org.apache.hadoop.hive.conf.HiveConf.<init>(HiveConf.java:2651) at org.apache.hadoop.hive.common.LogUtils.initHiveLog4jCommon(LogUtils.java:74) at org.apache.hadoop.hive.common.LogUtils.initHiveLog4j(LogUtils.java:58) at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:637) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:621) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.jav
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