Java Springboot&x2B;MySQL+;找不到驱动程序类
我正在用线程池和MySQL做一个简单的SpringBoot项目,以便在添加SpringBootStarterJDBC时连接到MySQL,我得到以下错误Java Springboot&x2B;MySQL+;找不到驱动程序类,java,spring-mvc,spring-boot,java-8,threadpool,Java,Spring Mvc,Spring Boot,Java 8,Threadpool,我正在用线程池和MySQL做一个简单的SpringBoot项目,以便在添加SpringBootStarterJDBC时连接到MySQL,我得到以下错误 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdb
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Tomcat.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.tomcat.jdbc.pool.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mysql.jdbc.Driver
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599) ~[spring-beans-4.3.14.RELEASE.jar:4.3.14.RELEASE]
at org.s
更新1:
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.opencsv</groupId>
<artifactId>opencsv</artifactId>
<version>3.3</version>
</dependency>
</dependencies>
org.springframework.boot
弹簧靴启动器jdbc
org.springframework.boot
SpringBootStarterWeb
mysql
mysql连接器java
运行时
com.opencsv
opencsv
3.3
您似乎缺少mysql连接器依赖项,
将这些添加到您的pom中
马文:
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
看起来您忘记了向MySQL添加依赖项(Spring Boot默认使用H2数据库),您应该在pom.xml中添加以下行:
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
mysql
mysql连接器java
首先将其包含在pom文件中
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
mysql
mysql连接器java
其次,清洁安装maven项目。
如果您正在使用eclipse,请检查您的JDK版本和maven(有时使用jre而不是JDK,因此,尽管在控制台中一切看起来都很好,但实际上jar没有下载)
简言之,当maven构建完成时,m2 repo应该有这个jar文件。当容器提供jdbc驱动程序时,作用域“运行时”对于单元测试和容器tomcat等都是好的。当运行独立应用程序(spring boot)时,您应该将其删除或设置为“编译”。请共享您的pom.xml您可能缺少mysql jdbc驱动程序依赖项请检查更新的帖子我添加了mysql连接器javaI添加了itat编译不是我没有收到错误,我使用了JdbcTemplatesure,给我有用的链接。。。。。。。。还有“mvn dependency:tree”,我还没有在本地安装MAVEN,您可以在ide中执行此目标。你用哪一个?我用的是Eclipse我可以看到所有需要的罐子都在那里
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>