dongjoon-hyun commented on code in PR #530:
URL: 
https://github.com/apache/spark-kubernetes-operator/pull/530#discussion_r2891576509


##########
spark-operator/src/main/java/org/apache/spark/k8s/operator/utils/ReconcilerUtils.java:
##########
@@ -211,6 +221,16 @@ public static <T extends HasMetadata> void 
deleteResourceIfExists(
     }
   }
 
+  private static boolean isTransientError(KubernetesClientException e) {
+    // code 0 is fabric8's sentinel for network-level failures (timeouts, 
connection resets, etc.)
+    int code = e.getCode();
+    return code == 0
+        || code == HTTP_INTERNAL_ERROR

Review Comment:
   Well, this is a little tricky.
   
   408 (Request Timeout), 429 (Too Many Requests), 502 (Bad Gateway), 503 
(Service Unavailable), 504 (Gateway Timeout) are transient, but 500 (Internal 
Server Error) is case-by-case.
   
   If we want to keep `isTransientError` method name, we should move `500` out 
from this method.



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