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No such extension com.alibaba.dubbo.rpc.Protocol by name dubbo

See original GitHub issue

测试 com.alibaba.dubbo.examples.merge.MergeProvider.main(MergeProvider.java:29) 出现以下BUG 更换 protocal 为 rmi 等或者直接让dubbo取用默认protoal 依然报错。

Exception in thread "main" java.lang.IllegalStateException: No such extension com.alibaba.dubbo.rpc.Protocol by name dubbo
	at com.alibaba.dubbo.common.extension.ExtensionLoader.findException(ExtensionLoader.java:489)
	at com.alibaba.dubbo.common.extension.ExtensionLoader.createExtension(ExtensionLoader.java:496)
	at com.alibaba.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:317)
	at com.alibaba.dubbo.config.ServiceConfig.findConfigedPorts(ServiceConfig.java:623)
	at com.alibaba.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:464)
	at com.alibaba.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:351)
	at com.alibaba.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:312)
	at com.alibaba.dubbo.config.ServiceConfig.export(ServiceConfig.java:211)
	at com.alibaba.dubbo.config.spring.ServiceBean.onApplicationEvent(ServiceBean.java:122)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:167)
	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:393)
	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:347)
	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:883)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
	at com.alibaba.dubbo.examples.merge.MergeProvider.main(MergeProvider.java:29)

Issue Analytics

State:
Created 6 years ago
Comments:9 (5 by maintainers)

Top GitHub Comments

1reaction

blackdancerscommented, Jul 30, 2018

我把dubbo版本升级到2.6.1，运行正常，还有个原因可能是我添加了

<!--dubbo依赖-->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>dubbo</artifactId>
		</dependency>
		<dependency>
			<groupId>org.apache.curator</groupId>
			<artifactId>curator-framework</artifactId>
		</dependency>
		<dependency>
			<groupId>org.apache.curator</groupId>
			<artifactId>curator-recipes</artifactId>
		</dependency>

@web1992

0reactions

ted005commented, Dec 17, 2018

@Bean
    public ProtocolConfig protocolConfig() {
        ProtocolConfig protocolConfig = new ProtocolConfig();
        protocolConfig.setPort(20880);
        protocolConfig.setName("dubbo");
        return protocolConfig;
    }

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