parisni commented on code in PR #8997:
URL: https://github.com/apache/hudi/pull/8997#discussion_r1234966252


##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metrics/datadog/DatadogHttpClient.java:
##########
@@ -84,8 +84,8 @@ private void validateApiKey() {
     try (CloseableHttpResponse response = client.execute(request)) {
       int statusCode = response.getStatusLine().getStatusCode();
       ValidationUtils.checkState(statusCode == HttpStatus.SC_OK, "API key is 
invalid.");
-    } catch (IOException e) {
-      throw new IllegalStateException("Failed to connect to Datadog to 
validate API key.", e);
+    } catch (IOException | IllegalStateException e) {
+      LOG.warn(String.format("Failed to connect to Datadog to validate API 
key. %s", e.getMessage()));

Review Comment:
   To me, the metric provider is responsible to contact the user if metrics 
won't work (mailing alarm, oncall ...). But the ingestion jobs should not stop 
working.  Not having metrics is a minor problem versus having all the company 
pipelines broken because of a token renewal issue.
   
   Also users configure the metrics provider to alarm in case of no metrics.
   
   At least I assume some user won't want their nightly jobs broken in case of 
token, this would also be the case for an API or any metrics collection, outage 
is a minor problem versus stoping working



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