dubbo消费者启动报错分析

os: MacBook Produbbo: 2.7.5java: 1.8

java.lang.IllegalStateException: There's no ApplicationConfig specified.    at org.apache.dubbo.config.context.ConfigManager.lambda$getApplicationOrElseThrow$0(ConfigManager.java:88)    at java.util.Optional.orElseThrow(Optional.java:290)    at org.apache.dubbo.config.context.ConfigManager.getApplicationOrElseThrow(ConfigManager.java:88)    at org.apache.dubbo.rpc.model.ApplicationModel.getApplicationConfig(ApplicationModel.java:100)    at org.apache.dubbo.registry.integration.RegistryProtocol.destroy(RegistryProtocol.java:500)    at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.destroy(ProtocolFilterWrapper.java:166)    at org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.destroy(ProtocolListenerWrapper.java:80)    at org.apache.dubbo.config.DubboShutdownHook.destroyProtocols(DubboShutdownHook.java:140)    at org.apache.dubbo.config.DubboShutdownHook.destroyAll(DubboShutdownHook.java:124)    at org.apache.dubbo.config.bootstrap.DubboBootstrap.destroy(DubboBootstrap.java:1037)    at org.apache.dubbo.config.bootstrap.DubboBootstrap.stop(DubboBootstrap.java:817)    at org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onContextClosedEvent(DubboBootstrapApplicationListener.java:65)    at org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onApplicationContextEvent(DubboBootstrapApplicationListener.java:55)    at org.apache.dubbo.config.spring.context.OneTimeExecutionApplicationContextEventListener.onApplicationEvent(OneTimeExecutionApplicationContextEventListener.java:40)    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.doClose(AbstractApplicationContext.java:991)    at org.springframework.context.support.AbstractApplicationContext$2.run(AbstractApplicationContext.java:929)

protected <C extends AbstractConfig> C getConfig(String configType) throws IllegalStateException {        return read(() -> {            Map<String, C> configsMap = (Map) configsCache.getOrDefault(configType, emptyMap());            int size = configsMap.size();            if (size < 1) {//                throw new IllegalStateException("No such " + configType.getName() + " is found");                return null;            } else if (size > 1) {                logger.warn("Expected single matching of " + configType + ", but found " + size + " instances, will randomly pick the first one.");            }
            return configsMap.values().iterator().next();        });    }

 public void clear() {        write(() -> {            this.configsCache.clear();        });    }