idea运行springboot报错“文档中根元素前面的标记必须格式正确”记录

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#java #异常 #处理

本文解决了一个在SpringBoot项目中整合MyBatis时遇到的运行时错误，错误源于XML配置文件中的标签被误删，导致文档格式不正确。

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时间：2018年12月28日 运行记录
使用idea运行springboot报错

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘gwGcategoryController’: Unsatisfied dependency expressed through field ‘gwGcategoryService’; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘gwGcategoryServiceImpl’: Unsatisfied dependency expressed through field ‘gcategoryDao’; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘gwGcategoryDao’ defined in file [C:\Users\Administrator\Desktop\akso\aksoweb\target\classes\com\akso\web\dao\GwGcategoryDao.class]: Unsatisfied dependency expressed through bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method ‘sqlSessionFactory’ threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘file [C:\Users\Administrator\Desktop\akso\aksoweb\target\classes\mapper\GwGuserMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 2; 文档中根元素前面的标记必须格式正确。
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessorAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1378) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.lambdaAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1378) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambdaAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1378) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.lambdadoGetBeanKaTeX parse error: Expected 'EOF', got '\Users' at position 2849: …ned in file [C:\̲U̲s̲e̲r̲s̲\Administrator\…AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1378) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean0(AbstractBeanFactory.java:320) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor0(AbstractBeanFactory.java:320) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessorAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
… 24 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘gwGcategoryDao’ defined in file [C:\Users\Administrator\Desktop\akso\aksoweb\target\classes\com\akso\web\dao\GwGcategoryDao.class]: Unsatisfied dependency expressed through bean property ‘sqlSessionFactory’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method ‘sqlSessionFactory’ threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘file [C:\Users\Administrator\Desktop\akso\aksoweb\target\classes\mapper\GwGuserMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 2; 文档中根元素前面的标记必须格式正确。
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1482) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1362) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:575) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean0(AbstractBeanFactory.java:320) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor0(AbstractBeanFactory.java:320) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) [spring−beans−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessorAutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
… 37 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method ‘sqlSessionFactory’ threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘file [C:\Users\Administrator\Desktop\akso\aksoweb\target\classes\mapper\GwGuserMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 2; 文档中根元素前面的标记必须格式正确。
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:607) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1288) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBeanKaTeX parse error: Expected 'EOF', got '\Users' at position 1593: …urce: 'file [C:\̲U̲s̲e̲r̲s̲\Administrator\…EnhancerBySpringCGLIBEnhancerBySpringCGLIBEnhancerBySpringCGLIB3f3eb632.CGLIB3f3eb632.CGLIB3f3eb632.CGLIBsqlSessionFactory0(&lt;generated&gt;) [mybatis−spring−boot−autoconfigure−1.3.2.jar:1.3.2]atorg.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration0(&lt;generated&gt;) ~[mybatis-spring-boot-autoconfigure-1.3.2.jar:1.3.2] at org.mybatis.spring.boot.autoconfigure.MybatisAutoConfiguration0(<generated>) [mybatis−spring−boot−autoconfigure−1.3.2.jar:1.3.2]atorg.mybatis.spring.boot.autoconfigure.MybatisAutoConfigurationEnhancerBySpringCGLIBEnhancerBySpringCGLIBEnhancerBySpringCGLIB3f3eb6323f3eb6323f3eb632FastClassBySpringCGLIBFastClassBySpringCGLIBFastClassBySpringCGLIBf1468d86.invoke(&lt;generated&gt;) [mybatis−spring−boot−autoconfigure−1.3.2.jar:1.3.2]atorg.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) [spring−core−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.context.annotation.ConfigurationClassEnhancerf1468d86.invoke(&lt;generated&gt;) ~[mybatis-spring-boot-autoconfigure-1.3.2.jar:1.3.2] at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.3.RELEASE.jar:5.1.3.RELEASE] at org.springframework.context.annotation.ConfigurationClassEnhancerf1468d86.invoke(<generated>) [mybatis−spring−boot−autoconfigure−1.3.2.jar:1.3.2]atorg.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) [spring−core−5.1.3.RELEASE.jar:5.1.3.RELEASE]atorg.springframework.context.annotation.ConfigurationClassEnhancerBeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.1.3.RELEASE.jar:5.1.3.RELEASE]
at org.mybatis.spring.boot.autoconfigure.MybatisAutoConfigurationEnhancerBySpringCGLIBEnhancerBySpringCGLIBEnhancerBySpringCGLIB3f3eb632.sqlSessionFactory() ~[mybatis-spring-boot-autoconfigure-1.3.2.jar:1.3.2]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_191]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_191]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_191]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_191]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
… 62 common frames omitted
Caused by: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xml.sax.SAXParseException; lineNumber: 3; columnNumber: 2; 文档中根元素前面的标记必须格式正确。
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:259) ~[mybatis-3.4.6.jar:3.4.6]
at org.apache.ibatis.parsing.XPathParser.(XPathParser.java:125) ~[mybatis-3.4.6.jar:3.4.6]
at org.apache.ibatis.builder.xml.XMLMapperBuilder.(XMLMapperBuilder.java:78) ~[mybatis-3.4.6.jar:3.4.6]
at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:520) ~[mybatis-spring-1.3.2.jar:1.3.2]
… 75 common frames omitted
Caused by: org.xml.sax.SAXParseException: 文档中根元素前面的标记必须格式正确。
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:400) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1472) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:878) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243) ~[na:1.8.0_191]
at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339) ~[na:1.8.0_191]
at org.apache.ibatis.parsing.XPathParser.createDocument(XPathParser.java:257) ~[mybatis-3.4.6.jar:3.4.6]
… 78 common frames omitted

经过排查发现，报错原因为xml文件标签误删
误删标签位置
改正后
在这里插入图片描述

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idea新建springboot项目提示“文档中根元素前面的标记必须格式正确” 最近在学习spring-boot的过程中，新建spring-boot项目老是出现以下提示，如图： 导致新建的工程只能打开部分文件，如图： 解决方法如下： 一、 点击“File”->“Invalidate Caches / Restart…”，之后会弹出一个对话框，再点击Invalidate and Resta...
gradle配置国内阿里云镜像
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MinIO踩坑：javax.xml.stream.xmlstreamexception: parseerror at [row,col]:[1,3] message:文档中根元素前面的标记必须格式正确
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weixin_44002043的博客
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如图所示： 这个问题原来是使用镜像导致的，阿里云的； 注释掉即可！
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fatal error 文档中根元素后面的标记必须格式正确
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