springboot整合mybatisplus3报错解决o.m.

作者: 小新不可以 | 来源:发表于2018-09-14 17:12 被阅读0次

报错信息如下：

2018-09-14 16:55:12 10199 [main] ERROR

o.m.spring.mapper.MapperFactoryBean - Error while adding the mapper

'interface com.xiaoxin.mapper.AgencyMapper' to configuration.

java.lang.NullPointerException: null

at com.baomidou.mybatisplus.core.toolkit.LambdaUtils.createLambdaMap(LambdaUtils.java:103)

at com.baomidou.mybatisplus.core.toolkit.LambdaUtils.createCache(LambdaUtils.java:72)

at com.baomidou.mybatisplus.core.toolkit.TableInfoHelper.initTableInfo(TableInfoHelper.java:258)

at com.baomidou.mybatisplus.core.injector.AbstractMethod.inject(AbstractMethod.java:80)

at com.baomidou.mybatisplus.core.injector.AbstractSqlInjector.lambda$inspectInject$28(AbstractSqlInjector.java:56)

at java.util.ArrayList.forEach(ArrayList.java:1249)

at com.baomidou.mybatisplus.core.injector.AbstractSqlInjector.inspectInject(AbstractSqlInjector.java:56)

at com.baomidou.mybatisplus.core.MybatisMapperAnnotationBuilder.parse(MybatisMapperAnnotationBuilder.java:149)

at com.baomidou.mybatisplus.core.MybatisMapperRegistry.addMapper(MybatisMapperRegistry.java:86)

at com.baomidou.mybatisplus.core.MybatisConfiguration.addMapper(MybatisConfiguration.java:109)

at org.mybatis.spring.mapper.MapperFactoryBean.checkDaoConfig(MapperFactoryBean.java:80)

at org.springframework.dao.support.DaoSupport.afterPropertiesSet(DaoSupport.java:44)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1758)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1695)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:573)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:251)

org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1135)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1062)

org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:583)

at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90)

org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:372)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1341)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:572)

org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:495)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)

org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:759)

org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)

org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780)

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:333)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1277)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1265)

at com.xiaoxin.XiaoxinClientApplication.main(XiaoxinClientApplication.java:23)

2018-09-14

16:55:12 10202 [main] WARN

o.s.b.w.s.c.AnnotationConfigServletWebServerApplicationContext -

Exception encountered during context initialization - cancelling refresh

attempt:

org.springframework.beans.factory.UnsatisfiedDependencyException: Error

creating bean with name 'agencyServiceImpl': Unsatisfied dependency

expressed through field 'baseMapper'; nested exception is

org.springframework.beans.factory.BeanCreationException: Error creating

bean with name 'agencyMapper' defined in file

[E:\项目程序\fangchenxitongCloud\xiaoxincloud\xiaoxin-client\target\classes\com\xiaoxin\mapper\AgencyMapper.class]:

Invocation of init method failed; nested exception is

java.lang.IllegalArgumentException: java.lang.NullPointerException

2018-09-14 16:55:12 10207 [main] INFO c.a.druid.pool.DruidDataSource - {dataSource-1} closed

2018-09-14 16:55:12 10223 [main] INFO o.a.catalina.core.StandardService - Stopping service [Tomcat]

2018-09-14 16:55:12 10238 [main] INFO o.s.b.a.l.ConditionEvaluationReportLoggingListener -

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.

2018-09-14 16:55:12 10246 [main] ERROR o.s.boot.SpringApplication - Application run failed

org.springframework.beans.factory.UnsatisfiedDependencyException:

Error creating bean with name 'agencyServiceImpl': Unsatisfied

dependency expressed through field 'baseMapper'; nested exception is

org.springframework.beans.factory.BeanCreationException: Error creating

bean with name 'agencyMapper' defined in file

[E:\项目程序\fangchenxitongCloud\xiaoxincloud\xiaoxin-client\target\classes\com\xiaoxin\mapper\AgencyMapper.class]:

Invocation of init method failed; nested exception is

java.lang.IllegalArgumentException: java.lang.NullPointerException

org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:586)