项目背景：
springboot、c3p0、配置数据源
现象：
启动报错
报错日志：
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘dataSource’ defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration
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Generic.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.jdbc.UnsupportedDataSourcePropertyException: Unable to find suitable method for url at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda
Generic.class]:Beaninstantiationviafactorymethodfailed;nestedexceptionisorg.springframework.beans.BeanInstantiationException:Failedtoinstantiate[javax.sql.DataSource]:Factorymethod′dataSource′threwexception;nestedexceptionisorg.springframework.boot.jdbc.UnsupportedDataSourcePropertyException:Unabletofindsuitablemethodforurlatorg.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractBeanFactory.lambdadoGetBean
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0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.13.jar:5.3.13] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.13.jar:5.3.13] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:730) [spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412) [spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) [spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) [spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1290) [spring-boot-2.6.0.jar:2.6.0] at com.jkit.crm.CrmApplication.main(CrmApplication.java:10) [classes/:na] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_281] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_281] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_281] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_281] at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.6.0.jar:2.6.0] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.jdbc.UnsupportedDataSourcePropertyException: Unable to find suitable method for url at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.13.jar:5.3.13] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) ~[spring-beans-5.3.13.jar:5.3.13] ... 24 common frames omitted Caused by: org.springframework.boot.jdbc.UnsupportedDataSourcePropertyException: Unable to find suitable method for url at org.springframework.boot.jdbc.UnsupportedDataSourcePropertyException.throwIf(UnsupportedDataSourcePropertyException.java:36) ~[spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.jdbc.DataSourceBuilder
0(AbstractBeanFactory.java:335) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) [spring−context−5.3.13.jar:5.3.13]atorg.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) [spring−context−5.3.13.jar:5.3.13]atorg.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) [spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.SpringApplication.refresh(SpringApplication.java:730)[spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412)[spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:302)[spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:1301)[spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.SpringApplication.run(SpringApplication.java:1290)[spring−boot−2.6.0.jar:2.6.0]atcom.jkit.crm.CrmApplication.main(CrmApplication.java:10)[classes/:na]atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod) [na:1.8.0281]atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [na:1.8.0281]atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [na:1.8.0281]atjava.lang.reflect.Method.invoke(Method.java:498) [na:1.8.0281]atorg.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)[spring−boot−devtools−2.6.0.jar:2.6.0]Causedby:org.springframework.beans.BeanInstantiationException:Failedtoinstantiate[javax.sql.DataSource]:Factorymethod′dataSource′threwexception;nestedexceptionisorg.springframework.boot.jdbc.UnsupportedDataSourcePropertyException:Unabletofindsuitablemethodforurlatorg.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) [spring−beans−5.3.13.jar:5.3.13]atorg.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) [spring−beans−5.3.13.jar:5.3.13]...24commonframesomittedCausedby:org.springframework.boot.jdbc.UnsupportedDataSourcePropertyException:Unabletofindsuitablemethodforurlatorg.springframework.boot.jdbc.UnsupportedDataSourcePropertyException.throwIf(UnsupportedDataSourcePropertyException.java:36) [spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.jdbc.DataSourceBuilderReflectionDataSourceProperties.getMethod(DataSourceBuilder.java:561) ~[spring-boot-2.6.0.jar:2.6.0]
at org.springframework.boot.jdbc.DataSourceBuilder
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ReflectionDataSourceProperties.set(DataSourceBuilder.java:543) ~[spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.jdbc.DataSourceBuilder.build(DataSourceBuilder.java:181) ~[spring-boot-2.6.0.jar:2.6.0] at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration
ReflectionDataSourceProperties.set(DataSourceBuilder.java:543) [spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.jdbc.DataSourceBuilder.build(DataSourceBuilder.java:181) [spring−boot−2.6.0.jar:2.6.0]atorg.springframework.boot.autoconfigure.jdbc.DataSourceConfigurationGeneric.dataSource(DataSourceConfiguration.java:150) ~[spring-boot-autoconfigure-2.6.0.jar:2.6.0]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_281]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_281]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_281]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_281]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.13.jar:5.3.13]
… 25 common frames omitted
本人解决办法
springboot版本从2.6降为2.4解决
