dubbo 解决Multicast java.net.SocketException: No such device

log4j:WARN No appenders could be found for logger (com.alibaba.dubbo.common.logger.LoggerFactory).

log4j:WARN Please initialize the log4j system properly.

log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

java.lang.IllegalStateException: No such device

	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:94)

	at com.alibaba.dubbo.registry.RegistryFactory$Adpative.getRegistry(RegistryFactory$Adpative.java)

	at com.alibaba.dubbo.registry.integration.RegistryProtocol.getRegistry(RegistryProtocol.java:190)

	at com.alibaba.dubbo.registry.integration.RegistryProtocol.export(RegistryProtocol.java:109)

	at com.alibaba.dubbo.rpc.protocol.ProtocolListenerWrapper.export(ProtocolListenerWrapper.java:54)

	at com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:53)

	at com.alibaba.dubbo.rpc.Protocol$Adpative.export(Protocol$Adpative.java)

	at com.alibaba.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:488)

	at com.alibaba.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:284)

	at com.alibaba.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:245)

	at com.alibaba.dubbo.config.ServiceConfig.export(ServiceConfig.java:144)

	at com.alibaba.dubbo.config.spring.ServiceBean.onApplicationEvent(ServiceBean.java:109)

	at org.springframework.context.event.SimpleApplicationEventMulticaster$1.run(SimpleApplicationEventMulticaster.java:78)

	at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:49)

	at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:76)

	at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:274)

	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:736)

	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:383)

	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)

	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93)

	at com.alibaba.dubbo.container.spring.SpringContainer.start(SpringContainer.java:50)

	at com.alibaba.dubbo.container.Main.main(Main.java:80)

Caused by: java.net.SocketException: No such device

	at java.net.PlainDatagramSocketImpl.join(Native Method)

	at java.net.PlainDatagramSocketImpl.join(PlainDatagramSocketImpl.java:181)

	at java.net.MulticastSocket.joinGroup(MulticastSocket.java:277)

	at com.alibaba.dubbo.registry.multicast.MulticastRegistry.<init>(MulticastRegistry.java:90)

	... 23 more

　　查看当前路由：

[root@localhost dubbo-demo-provider-2.5.4-SNAPSHOT]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.4.0 0.0.0.0 255.255.255.0 U 1 0 0 eth1

没有发现有：multicast://224.5.6.7:1234?unicast=false

手动添加一个：

[root@localhost dubbo-demo-provider-2.5.4-SNAPSHOT]# route add -host 224.5.6.7 eth1

[root@localhost dubbo-demo-provider-2.5.4-SNAPSHOT]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
224.5.6.7 0.0.0.0 255.255.255.255 UH 0 0 0 eth1
192.168.4.0 0.0.0.0 255.255.255.0 U 1 0 0 eth1

巴特西

dubbo 解决Multicast java.net.SocketException: No such device

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