fantiq commented on code in PR #15639:
URL: https://github.com/apache/dubbo/pull/15639#discussion_r2302554398


##########
dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/deploy/DefaultApplicationDeployer.java:
##########
@@ -890,19 +901,17 @@ private DynamicConfiguration 
prepareEnvironment(ConfigCenterConfig configCenter)
             DynamicConfiguration dynamicConfiguration;
             try {
                 dynamicConfiguration = 
getDynamicConfiguration(configCenter.toUrl());
-            } catch (Exception e) {
-                if (!configCenter.isCheck()) {
+                if (!dynamicConfiguration.isAvailable()) {
                     logger.warn(
-                            CONFIG_FAILED_INIT_CONFIG_CENTER,
-                            "",
-                            "",
-                            "The configuration center failed to initialize",
-                            e);
-                    configCenter.setInitialized(false);
-                    return null;
-                } else {
-                    throw new IllegalStateException(e);
+                            CONFIG_FAILED_INIT_CONFIG_CENTER, "", "", "The 
configuration center failed to initialize");
+                    if (!configCenter.isCheck()) {
+                        configCenter.setInitialized(true);

Review Comment:
   When executing `dynamicConfiguration = 
getDynamicConfiguration(configCenter.toUrl());`, SPI 
`DynamicConfigurationFactory` will create `DynamicConfiguration`. Currently the 
impl `nacos` `zookeeper` and `apollo` will throw IllegalStateException if the 
check = true and the connection is unavailable.
   
   Do you mean here need throw exception when check=true and connection is not 
available, to prevent situations where this logic is not implemented in other 
extensions?



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