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在對(duì)Spring Boot進(jìn)行DataSource配置的時(shí)候遇到一個(gè)錯(cuò)誤
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'testDataSource' threw exception; nested exception is java.lang.IllegalStateException: No supported DataSource type found at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:582) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE] ... 93 common frames omitted Caused by: java.lang.IllegalStateException: No supported DataSource type found at org.springframework.boot.jdbc.DataSourceBuilder.getType(DataSourceBuilder.java:146) ~[spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE] at org.springframework.boot.jdbc.DataSourceBuilder.build(DataSourceBuilder.java:74) ~[spring-boot-2.0.4.RELEASE.jar:2.0.4.RELEASE] at com.kai.demo.DataSourceConfig.testDataSource(DataSourceConfig.java:37) ~[classes/:na] at com.kai.demo.DataSourceConfig$$EnhancerBySpringCGLIB$$e66334f9.CGLIB$testDataSource$3(<generated>) ~[classes/:na] at com.kai.demo.DataSourceConfig$$EnhancerBySpringCGLIB$$e66334f9$$FastClassBySpringCGLIB$$99581351.invoke(<generated>) ~[classes/:na] at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) ~[spring-core-5.0.8.RELEASE.jar:5.0.8.RELEASE] at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361) ~[spring-context-5.0.8.RELEASE.jar:5.0.8.RELEASE] at com.kai.demo.DataSourceConfig$$EnhancerBySpringCGLIB$$e66334f9.testDataSource(<generated>) ~[classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_121] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_121] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_121] at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_121] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.0.8.RELEASE.jar:5.0.8.RELEASE] ... 94 common frames omitted
原因是在使用DataSourceBuilder時(shí)需要在classpath里指定以下三個(gè)中的任意一個(gè):
1. COMMONS-DBCP
2. TOMCAT-JDBC
3. HIKARICP
于是在pom.xml添加了HiKariCP的依賴(lài)
<dependency> <groupId>com.zaxxer</groupId> <artifactId>HikariCP</artifactId> <version>3.2.0</version> </dependency>
錯(cuò)誤就沒(méi)有了
參考地址: https://stackoverflow.com/questions/44635962/error-when-create-datasource
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