palashc commented on code in PR #2075:
URL: https://github.com/apache/phoenix/pull/2075#discussion_r1985846559


##########
phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/PhoenixRegionServerEndpoint.java:
##########
@@ -101,8 +111,36 @@ public void invalidateServerMetadataCache(RpcController 
controller,
             String tenantIDStr = Bytes.toString(tenantID);
             LOGGER.info("PhoenixRegionServerEndpoint invalidating the cache 
for tenantID: {},"
                     + " tableName: {}", tenantIDStr, fullTableName);
-            ServerMetadataCache cache = getServerMetadataCache();
-            cache.invalidate(tenantID, schemaName, tableName);
+            ServerMetadataCache cache;
+            try {
+                cache = getServerMetadataCache();
+            } catch (Throwable t) {
+                String errorMsg = "Creating ServerMetadataCache FAILED, check 
exception for "

Review Comment:
   @ritegarg @jpisaac Should we keep a reference to the ServerMetadataCache 
instance in PhoenixRegionServerEndpoint? We can initialize the reference in the 
endpoint's `start` method and maybe fail the loading of the endpoint if the 
initialization fails? Although I am not sure if the regionserver startup fails 
in the case. WDYT?



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