Mybatis：Check syntax #{property|(expression), var1=value1, var2=value2, ...}

最新推荐文章于 2024-01-24 21:31:20 发布
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#java #spring #intellij-idea #数据库开发

本文探讨了在映射文件中使用JSTL格式时，注释的书写规则。重点指出--后必须至少有一个空格以避免报错。尽管在某些环境下多个空格可能不引发错误，但在特定计算机配置下可能会导致问题。理解并遵循这些规则对于确保代码的稳定性和跨平台兼容性至关重要。

映射文件中写的映射会被按照JSTL格式解析，则注释的书写规则为“-- ”杠杠空格

“--”后不加空格会报错

“--”后加多个空格在另一台电脑上不会报错，但我的电脑上报错了

Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=val
小小程序媛的博客
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错误内容: 五月 07, 2022 8:56:57 上午 org.springframework.context.support.AbstractApplicationContext refresh 警告: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creatin
Mybatis框架中：Check syntax #{property|(expression), var1=value1, var2=value2, ...}
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异常代码： @Insert("insert into t_member(m_id,m_name,m_phone,m_level,m_card_no) values(#{m_id},#{m_name),#{m_phone},#{m_level},#{m_card_no})") 在使用Mybatis框架的同时，我们要注意很多细节，不能因为粗心而导致程序的单元测试不能得到正确的测试效果，从而耽误我们...
Check syntax #{property|(expression), var1=value1, var2=value2, ...}
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异常代码： @Insert("INSERT INTO tb_category_brand (category_id, brand_id) VALUES (#{cid), #{bid})") int insertCategoryBrand(@Param("cid") Long cid, @Param("bid") Long bid); Check syntax #{property|...
Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=val
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The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1420) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:897) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:405) at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) at com.neu.NeuApplication.main(NeuApplication.java:18) 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.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name &#39;sysLogininforServiceImpl&#39;: Unsatisfied dependency expressed through field &#39;logininforMapper&#39;; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name &#39;sysLogininforMapper&#39; defined in file [D:\初始框架-双碳管理系统\carbon\neu-system\target\classes\com\neu\system\mapper\SysLogininforMapper.class]: Unsatisfied dependency expressed through bean property &#39;sqlSessionFactory&#39;; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name &#39;sqlSessionFactory&#39; defined in class path resource [com/neu/framework/config/MyBatisConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method &#39;sqlSessionFactory&#39; threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:643) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1420) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640) ... 24 common frames omitted Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name &#39;sysLogininforMapper&#39; defined in file [D:\初始框架-双碳管理系统\carbon\neu-system\target\classes\com\neu\system\mapper\SysLogininforMapper.class]: Unsatisfied dependency expressed through bean property &#39;sqlSessionFactory&#39;; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name &#39;sqlSessionFactory&#39; defined in class path resource [com/neu/framework/config/MyBatisConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method &#39;sqlSessionFactory&#39; threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1524) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1404) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:593) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:640) ... 37 common frames omitted Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name &#39;sqlSessionFactory&#39; defined in class path resource [com/neu/framework/config/MyBatisConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method &#39;sqlSessionFactory&#39; threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:657) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:637) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1509) ... 48 common frames omitted Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method &#39;sqlSessionFactory&#39; threw exception; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:652) ... 61 common frames omitted Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:612) at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:490) at org.mybatis.spring.SqlSessionFactoryBean.getObject(SqlSessionFactoryBean.java:632) at com.neu.framework.config.MyBatisConfig.sqlSessionFactory(MyBatisConfig.java:131) at com.neu.framework.config.MyBatisConfig$$EnhancerBySpringCGLIB$$3c8354db.CGLIB$sqlSessionFactory$0(<generated>) at com.neu.framework.config.MyBatisConfig$$EnhancerBySpringCGLIB$$3c8354db$$FastClassBySpringCGLIB$$25b6d18b.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331) at com.neu.framework.config.MyBatisConfig$$EnhancerBySpringCGLIB$$3c8354db.sqlSessionFactory(<generated>) 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.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ... 62 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is &#39;file [D:\初始框架-双碳管理系统\carbon\neu-carbon-mapper\target\classes\mapper\mesModel\MesFactoryModelMapper.xml]&#39;. Cause: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:123) at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:95) at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:610) ... 75 common frames omitted Caused by: org.apache.ibatis.builder.BuilderException: Parsing error was found in mapping #{}. Check syntax #{property|(expression), var1=value1, var2=value2, ...} at org.apache.ibatis.builder.SqlSourceBuilder$ParameterMappingTokenHandler.parseParameterMapping(SqlSourceBuilder.java:152) at org.apache.ibatis.builder.SqlSourceBuilder$ParameterMappingTokenHandler.buildParameterMapping(SqlSourceBuilder.java:92) at org.apache.ibatis.builder.SqlSourceBuilder$ParameterMappingTokenHandler.handleToken(SqlSourceBuilder.java:87) at org.apache.ibatis.parsing.GenericTokenParser.parse(GenericTokenParser.java:77) at org.apache.ibatis.builder.SqlSourceBuilder.parse(SqlSourceBuilder.java:50) at org.apache.ibatis.scripting.defaults.RawSqlSource.<init>(RawSqlSource.java:46) at org.apache.ibatis.scripting.defaults.RawSqlSource.<init>(RawSqlSource.java:40) at org.apache.ibatis.scripting.xmltags.XMLScriptBuilder.parseScriptNode(XMLScriptBuilder.java:72) at org.apache.ibatis.scripting.xmltags.XMLLanguageDriver.createSqlSource(XMLLanguageDriver.java:44) at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:96) at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:138) at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:131) at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:121) ... 77 common frames omitted Caused by: java.lang.StringIndexOutOfBoundsException: String index out of range: 0 at java.lang.String.charAt(String.java:658) at org.apache.ibatis.builder.ParameterExpression.parse(ParameterExpression.java:44) at org.apache.ibatis.builder.ParameterExpression.<init>(ParameterExpression.java:39) at org.apache.ibatis.builder.SqlSourceBuilder$ParameterMappingTokenHandler.parseParameterMapping(SqlSourceBuilder.java:148) ... 89 common frames omitted
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网上说，要检查#{}内容是否为空，我又看报错说是DishMapper.xml有问题，于是我去xml里找了很久很久也没解决。最后我回到mapper一看，真相大白。被自己蠢到了，看了半天才想到回到mapper里看一下注解。
python var1, var2 = var2, var1
Dou
05-16 6880
1、变量一和变量二交换值可以使用var1, var2 = var2, var1。 2、变量一和变量二可以不是同种类型的变量。。 测试1： 测试2： 测试3： 测试4： 测试5 ...
Mybatis使用注解时，留意注解中SQL字符串的拼写
3k油：知道的越多，不知道的越多
05-28 795
springboot整合mybatis时，报错提示： Failed to load ApplicationContext ... ... Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'commentMapper' defined in file [D:\code\springbootCode\chapter03\target\classes\com\nand
【bug日记2020-10-9】Error building SqlSession -- sql语句bug
建筑队学徒的博客
10-10 634
【bug日记2020-10-9】Error building SqlSession – sql语句bug The error may exist in mapper/GoodsMapper.xml Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error parsing
Mybatis之#{}和${}的区别及其实现方式
旅行才是人生追寻
02-27 7136
简单的说#{}和${}的区别:$是String 拼接插入的#则是占位符来做处理的,写法比如字符串类型,$需要自己添加''#就不需要添加,对于日志的差别就是$会打印在日志里面,#则显示?         大多数我们都是用#{} 因为可以防止sql注入,但是有时候${}还是很必要的,比如传入tableName,或者fieldName比如Order By id||time 就需要${}传入 #{}就无
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