Dubbo的广播模式下Can't assign requested address问题
2018-01-13 15:43
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在MAC系统中使用dubbo的multicast模式,启动报错:
添加vm参数 -Djava.net.preferIPv4Stack=true
Exception in thread "main" java.lang.IllegalStateException: Can't assign requested address at com.alibaba.dubbo.registry.multicast.MulticastRegistry.<init>(MulticastRegistry.java:116) at com.alibaba.dubbo.registry.multicast.MulticastRegistryFactory.createRegistry(MulticastRegistryFactory.java:30) at com.alibaba.dubbo.registry.support.AbstractRegistryFactory.getRegistry(AbstractRegistryFactory.java:95) at com.alibaba.dubbo.registry.RegistryFactory$Adaptive.getRegistry(RegistryFactory$Adaptive.java) at com.alibaba.dubbo.registry.integration.RegistryProtocol.getRegistry(RegistryProtocol.java:215) at com.alibaba.dubbo.registry.integration.RegistryProtocol.export(RegistryProtocol.java:126) at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:91) at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.export(ProtocolListenerWrapper.java:66) at com.alibaba.dubbo.rpc.Protocol$Adaptive.export(Protocol$Adaptive.java) at com.alibaba.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:505) at com.alibaba.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:357) at com.alibaba.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:316) at com.alibaba.dubbo.config.ServiceConfig.export(ServiceConfig.java:215) at com.alibaba.dubbo.config.spring.ServiceBean.onApplicationEvent(ServiceBean.java:121) at com.alibaba.dubbo.config.spring.ServiceBean.onApplicationEvent(ServiceBean.java:50) at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) 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:93) at com.biutefu.vertxdubbo.demo.provider.Provider.main(Provider.java:12) Caused by: java.net.SocketException: Can't assign requested address at java.net.PlainDatagramSocketImpl.join(Native Method) at java.net.AbstractPlainDatagramSocketImpl.join(AbstractPlainDatagramSocketImpl.java:178) at java.net.MulticastSocket.joinGroup(MulticastSocket.java:323) at com.alibaba.dubbo.registry.multicast.MulticastRegistry.<init>(MulticastRegistry.java:90) ... 24 more
造成这种原因的主要是系统中开启了IPV6协议,java网络编程经常会获取到IPv6的地址。解决方法:
添加vm参数 -Djava.net.preferIPv4Stack=true
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