DUBBO-53 Remoting Client连接出错时，会重试时打出异常栈的日志应该给出*会重试*的说明

git-svn-id: http://code.alibabatech.com/svn/dubbo/trunk@243 1a56cb94-b969-4eaa-88fa-be21384802f2

dubbo-registry/src/main/java/com/alibaba/dubbo/registry/support/RegistryDirectory.java

@@ -250,7 +250,7 @@ public class RegistryDirectory<T> extends AbstractDirectory<T> implements Notify
                     }
                     url = ClusterUtils.mergeUrl(url, queryMap); // 合并消费端参数
                     this.directoryUrl = this.directoryUrl.addParametersIfAbsent(url.getParameters()); // 合并提供者参数
-                    url = url.addParameter(Constants.CHECK_KEY, String.valueOf(false));// 不检查连接是否成功，总是创建Invoker
+                    url = url.addParameter(Constants.CHECK_KEY, String.valueOf(false)); // 不检查连接是否成功，总是创建Invoker！
                     invoker = protocol.refer(serviceType, url);
                 } catch (Throwable t) {
                     logger.error("Failed to refer invoker for interface:"+serviceType+",url:("+url+")" + t.getMessage(), t);

dubbo-remoting/src/main/java/com/alibaba/dubbo/remoting/transport/AbstractClient.java

@@ -96,7 +96,7 @@ public abstract class AbstractClient extends AbstractEndpoint implements Client
                 throw t;
             } else {
                 logger.error("Failed to start " + getClass().getSimpleName() + " " + NetUtils.getLocalAddress()
-                             + " connect to the server " + getRemoteAddress() + ", cause: " + t.getMessage(), t);
+                             + " connect to the server " + getRemoteAddress() + " (check == false, ignore and retry later!), cause: " + t.getMessage(), t);
             }
         } catch (Throwable t){
             close();