Dubbo ProviderConsumerRegTable class cause outOfMemory while no provi…

…der available exception occurs (#8522)

since create proxy error , so we must be the first consumer. Simply clear ConcurrentHashSet

dubbo-config/dubbo-config-api/src/main/java/com/alibaba/dubbo/config/ReferenceConfig.java

@@ -29,6 +29,8 @@
 import com.alibaba.dubbo.config.model.ApplicationModel;
 import com.alibaba.dubbo.config.model.ConsumerModel;
 import com.alibaba.dubbo.config.support.Parameter;
+import com.alibaba.dubbo.registry.support.ConsumerInvokerWrapper;
+import com.alibaba.dubbo.registry.support.ProviderConsumerRegTable;
 import com.alibaba.dubbo.rpc.Invoker;
 import com.alibaba.dubbo.rpc.Protocol;
 import com.alibaba.dubbo.rpc.ProxyFactory;
@@ -47,11 +49,13 @@
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
+import java.util.Set;
 
 import static com.alibaba.dubbo.common.utils.NetUtils.isInvalidLocalHost;
 
@@ -423,7 +427,14 @@ private T createProxy(Map<String, String> map) {
         if (c && !invoker.isAvailable()) {
             // make it possible for consumer to retry later if provider is temporarily unavailable
             initialized = false;
-            throw new IllegalStateException("Failed to check the status of the service " + interfaceName + ". No provider available for the service " + (group == null ? "" : group + "/") + interfaceName + (version == null ? "" : ":" + version) + " from the url " + invoker.getUrl() + " to the consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion());
+            final String serviceKey = (group == null ? "" : group + "/") + interfaceName + (version == null ? "" :
+                    ":" + version);
+            Set<ConsumerInvokerWrapper> consumerInvoker = ProviderConsumerRegTable.getConsumerInvoker(serviceKey);
+            if (consumerInvoker != Collections.<ConsumerInvokerWrapper>emptySet()) {
+                //since create proxy error , so we must be the first consumer. Simply clear ConcurrentHashSet
+                consumerInvoker.clear();
+            }
+            throw new IllegalStateException("Failed to check the status of the service " + interfaceName + ". No provider available for the service " + serviceKey + " from the url " + invoker.getUrl() + " to the consumer " + NetUtils.getLocalHost() + " use dubbo version " + Version.getVersion());
         }
         if (logger.isInfoEnabled()) {
             logger.info("Refer dubbo service " + interfaceClass.getName() + " from url " + invoker.getUrl());