MyBatis错误--Invalid bound statement (not found)
今天在开发项目的时候使用MyBatis发生错误:Invalid bound statement (not found)
具体错误信息:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jobTaskServiceImpl': Invocation of init method failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.mkit.task.manager.dao.ScheduleJobMapper.getAll at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:408) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
Caused by: org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.mkit.task.manager.dao.ScheduleJobMapper.getAll at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:189) at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:43) at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:58) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:51) at com.sun.proxy.$Proxy19.getAll(Unknown Source) at com.mkit.task.manager.service.impl.JobTaskServiceImpl.init(JobTaskServiceImpl.java:154) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:349) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:300) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:133) ... 61 more
通过分析找到了问题的原因。我出现这个错误的主要原因是因为dao层和Mapper.xml是从别的项目中copy过来的,然后这些属性值都没有做更改,所以报这样的错误。
解决:
1.首先查看spring-mybatis.xml文件中,对于dao层的class扫描路径是否正确。
2.检查Mapper.xml文件中namespace属性值是否正确
3.检查Mapper.xml文件中resultMap中type属性值是否正确
<mapper namespace="com.mkit.task.manager.dao.ScheduleJobMapper"> <resultMap id="BaseResultMap" type="com.mkit.task.manager.pojo.ScheduleJob"> <id column="job_id" property="jobId" jdbcType="BIGINT" /> <result column="create_time" property="createTime" jdbcType="TIMESTAMP" /> <result column="update_time" property="updateTime" jdbcType="TIMESTAMP" /> <result column="job_name" property="jobName" jdbcType="VARCHAR" /> <result column="job_group" property="jobGroup" jdbcType="VARCHAR" /> <result column="job_status" property="jobStatus" jdbcType="VARCHAR" /> <result column="cron_expression" property="cronExpression" jdbcType="VARCHAR" /> <result column="description" property="description" jdbcType="VARCHAR" /> <result column="bean_class" property="beanClass" jdbcType="VARCHAR" /> <result column="is_concurrent" property="isConcurrent" jdbcType="VARCHAR" /> <result column="spring_id" property="springId" jdbcType="VARCHAR" /> <result column="method_name" property="methodName" jdbcType="VARCHAR" /> </resultMap>
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