com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource异常

Sentinel

alibaba/Sentinel: Sentinel 是阿里巴巴开源的一款面向分布式服务架构的流量控制、熔断降级组件，提供实时监控、限流、降级和系统保护功能，适用于微服务治理场景。

项目地址：https://gitcode.com/gh_mirrors/sentine/Sentinel

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豆虫儿

2483人浏览 · 2023-01-07 20:41:20

豆虫儿 · 2023-01-07 20:41:20 发布

Sentinel集成nacos作为数据源出现如下错误：

java.lang.TypeNotPresentException: Type com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource not present
at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:117) ~[na:1.8.0_172]
at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:125) ~[na:1.8.0_172]
at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49) ~[na:1.8.0_172]
at sun.reflect.generics.visitor.Reifier.reifyTypeArguments(Reifier.java:68) ~[na:1.8.0_172]
at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:138) ~[na:1.8.0_172]
at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49) ~[na:1.8.0_172]
at sun.reflect.generics.repository.ClassRepository.getSuperInterfaces(ClassRepository.java:108) ~[na:1.8.0_172]
at java.lang.Class.getGenericInterfaces(Class.java:913) ~[na:1.8.0_172]
at org.springframework.core.ResolvableType.getInterfaces(ResolvableType.java:502) ~[spring-core-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.core.ResolvableType.as(ResolvableType.java:450) ~[spring-core-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getFactoryBeanGeneric(AbstractAutowireCapableBeanFactory.java:914) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryBean(AbstractAutowireCapableBeanFactory.java:903) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.isTypeMatch(AbstractBeanFactory.java:619) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:536) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:503) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:620) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:612) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1243) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
at org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java:880) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java:868) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java:855) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:806) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:325) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
at com.zhou.ming.elasticsearch.ElasticsearchApplication.main(ElasticsearchApplication.java:12) [classes/:na]
Caused by: java.lang.ClassNotFoundException: com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource
at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_172]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_172]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_172]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_172]
at java.lang.Class.forName0(Native Method) ~[na:1.8.0_172]
at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_172]
at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:114) ~[na:1.8.0_172]
... 25 common frames omitted

通过日志可以看出是缺少依赖的原因。只需要添加如下依赖就好了：

<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-datasource-nacos</artifactId>
</dependency>

GitHub 加速计划 / sentine / Sentinel

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最近提交(Master分支：4 个月前 )

195150bc * fix issue 2485 which occur oom when using async servlet request. * optimize imports * 1. fix the same issue in the webmvc-v6x 2. improve based on review comments 4 个月前

b78b09d3 4 个月前

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