问题描述
加载Spring Cloud Dataflow应用失败,并显示以下日志:
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method Failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: org.postgresql.Driver
但是配置是:
spring.jpa.database=sybase
spring.datasource.url=jdbc:jtds:sybase://xxx:X000/xxxx;autoCommit=false;appName=dataflow
spring.datasource.username=xx
spring.datasource.password=xxx
spring.datasource.driver-class-name=net.sourceforge.jtds.jdbc.Driver
spring.datasource.hikari.driver-class-name=net.sourceforge.jtdatasource.jdbc.Driver
spring.datasource.hikari.pool-name=datasource-pool
spring.datasource.hikari.connection-timeout=3000
spring.datasource.hikari.maximum-pool-size=2
spring.datasource.hikari.minimum-idle=0
spring.datasource.hikari.connection-test-query=SELECT 1
spring.datasource.hikari.auto-commit=false
spring.datasource.hikari.transaction-isolation=TRANSACTION_READ_COMMITTED
依赖性:
<dependency>
<groupId>net.sourceforge.jtds</groupId>
<artifactId>jtds</artifactId>
<version>1.3.1</version>
</dependency>
从未指定Postgresql。
使用Spring Boot 2.3.3
更新:
我认为spring数据流上下文中的某些内容正在设置驱动程序,因为如果我创建自己的配置类并且不使用spring.datasource前缀,它将起作用:
@Configuration
public class DataSourceConfiguration {
@Bean
@Primary
@ConfigurationProperties("spring.ds")
public DataSourceProperties dataSourceProperties() {
return new DataSourceProperties();
}
@Bean
@Primary
@ConfigurationProperties("spring.ds.hikari")
public HikariDataSource sybaseDataSource() {
return dataSourceProperties().initializeDataSourceBuilder().type(HikariDataSource.class).build();
}
}
解决方法
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