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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'sessionFactoryConfiguration': Unsatisfied dependency expressed through field 'dataSource'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'javax.sql.DataSource' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=dataSource)}

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:639) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:116) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:397) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1429) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:879) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878) ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]

at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]

at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:125) [spring-boot-test-2.2.1.RELEASE.jar:2.2.1.RELEASE]

at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:123) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:244) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]

at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) [spring-test-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.junit.runner.JUnitCore.run(JUnitCore.java:137) [junit-4.12.jar:4.12]

at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) [junit-rt.jar:na]

at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33) [junit-rt.jar:na]

at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230) [junit-rt.jar:na]

at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58) [junit-rt.jar:na]

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'javax.sql.DataSource' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true), @org.springframework.beans.factory.annotation.Qualifier(value=dataSource)}

at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1695) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1253) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:636) ~[spring-beans-5.2.1.RELEASE.jar:5.2.1.RELEASE]

... 42 common frames omitted


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1 回答

package?com.immoc.demo.config.dao;

import?org.mybatis.spring.SqlSessionFactoryBean;
import?org.springframework.beans.factory.annotation.Autowired;
import?org.springframework.beans.factory.annotation.Value;
import?org.springframework.context.annotation.Bean;
import?org.springframework.context.annotation.Configuration;
import?org.springframework.core.io.ClassPathResource;
import?org.springframework.core.io.support.PathMatchingResourcePatternResolver;

import?javax.sql.DataSource;
import?java.io.IOException;

@Configuration
public?class?SessionFactoryConfiguretion?{
????@Value("${mybatis_config_file}")
????private?String?mybatisConfigFilePath;
????@Value("${mapper_path}")
????private?String?mapperPath;
????@Autowired
????private?DataSource?dataSource;
????@Value("${type_alias_package}")
????private?String?entityPackage;

????@Bean(name?=?"sqlSessionFactory")
????public?SqlSessionFactoryBean?sqlSessionFactoryBeanCreate()?throws?IOException?{
????????SqlSessionFactoryBean?sqlSessionFactoryBean?=?new?SqlSessionFactoryBean();
????????sqlSessionFactoryBean.setConfigLocation(new?ClassPathResource(mybatisConfigFilePath));
//???????配置文件+mapper文件是最重要的兩個配置。?mapper?作用就是??jdbc操作數(shù)據(jù)庫的結(jié)果映射成具體的實(shí)體類中。
????????PathMatchingResourcePatternResolver?resolver?=?new?PathMatchingResourcePatternResolver();
//????????指定package的掃描路徑和具體mapper的掃描路徑,為去根路徑下尋找mapper文件
????????String?packageSearchPath?=?PathMatchingResourcePatternResolver.CLASSPATH_ALL_URL_PREFIX?+?mapperPath;
????????sqlSessionFactoryBean.setMapperLocations(resolver.getResources(packageSearchPath));

????????sqlSessionFactoryBean.setDataSource(dataSource);
//????????映射實(shí)體類package的掃描路徑
????????sqlSessionFactoryBean.setTypeAliasesPackage(entityPackage);
????????return?sqlSessionFactoryBean;
????}
}


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