nacos

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nacos

好久没碰公司的uaa系统的，启动register中心时，Nacos抛出异常：

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'externalDumpService': Invocation of init method failed; nested exception is ErrCode:500, ErrMsg:Nacos Server did not start because dumpservice bean construction failure : No DataSource set at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:160) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:422) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1778) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1380) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1300) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:657) ... 34 common frames omitted Caused by: com.alibaba.nacos.api.exception.NacosException: Nacos Server did not start because dumpservice bean construction failure : No DataSource set at com.alibaba.nacos.config.server.service.dump.DumpService.dumpOperate(DumpService.java:236) at com.alibaba.nacos.config.server.service.dump.ExternalDumpService.init(ExternalDumpService.java:52) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:389) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:333) at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:157) ... 46 common frames omitted Caused by: java.lang.IllegalStateException: No DataSource set at org.springframework.util.Assert.state(Assert.java:76) at org.springframework.jdbc.support.JdbcAccessor.obtainDataSource(JdbcAccessor.java:86) at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:376) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:465) at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:475) at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:508) at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:515) at com.alibaba.nacos.config.server.service.repository.extrnal.ExternalStoragePersistServiceImpl.findConfigMaxId(ExternalStoragePersistServiceImpl.java:658) at com.alibaba.nacos.config.server.service.dump.processor.DumpAllProcessor.process(DumpAllProcessor.java:51) at com.alibaba.nacos.config.server.service.dump.DumpService.dumpConfigInfo(DumpService.java:293) at com.alibaba.nacos.config.server.service.dump.DumpService.dumpOperate(DumpService.java:205) ... 54 common frames omitted

经排查和测试发现是因为没有设置nacos的mysql连接，数据库的ip、数据库、用户名和密码都错了。

改正确之后就可以成功了。

本文标签： Nacos