KAFKA-8862: Improve Producer error message for failed metadata update (…

…#18587)

We should provide the same informative error message for both timeout
cases.

Reviewers: Kirk True <ktrue@confluent.io>, Andrew Schofield <aschofield@confluent.io>, Ismael Juma <ismael@juma.me.uk>

clients/src/main/java/org/apache/kafka/clients/producer/KafkaProducer.java

@@ -1104,8 +1104,7 @@ private ClusterAndWaitTime waitOnMetadata(String topic, Integer partition, long
                 metadata.awaitUpdate(version, remainingWaitMs);
             } catch (TimeoutException ex) {
                 // Rethrow with original maxWaitMs to prevent logging exception with remainingWaitMs
-                final String errorMessage = String.format("Topic %s not present in metadata after %d ms.",
-                        topic, maxWaitMs);
+                final String errorMessage = getErrorMessage(partitionsCount, topic, partition, maxWaitMs);
                 if (metadata.getError(topic) != null) {
                     throw new TimeoutException(errorMessage, metadata.getError(topic).exception());
                 }
@@ -1114,11 +1113,7 @@ private ClusterAndWaitTime waitOnMetadata(String topic, Integer partition, long
             cluster = metadata.fetch();
             elapsed = time.milliseconds() - nowMs;
             if (elapsed >= maxWaitMs) {
-                final String errorMessage = partitionsCount == null ?
-                        String.format("Topic %s not present in metadata after %d ms.",
-                                topic, maxWaitMs) :
-                        String.format("Partition %d of topic %s with partition count %d is not present in metadata after %d ms.",
-                                partition, topic, partitionsCount, maxWaitMs);
+                final String errorMessage = getErrorMessage(partitionsCount, topic, partition, maxWaitMs);
                 if (metadata.getError(topic) != null && metadata.getError(topic).exception() instanceof RetriableException) {
                     throw new TimeoutException(errorMessage, metadata.getError(topic).exception());
                 }
@@ -1134,6 +1129,13 @@ private ClusterAndWaitTime waitOnMetadata(String topic, Integer partition, long
         return new ClusterAndWaitTime(cluster, elapsed);
     }
 
+    private String getErrorMessage(Integer partitionsCount, String topic, Integer partition, long maxWaitMs) {
+        return partitionsCount == null ?
+            String.format("Topic %s not present in metadata after %d ms.",
+                topic, maxWaitMs) :
+            String.format("Partition %d of topic %s with partition count %d is not present in metadata after %d ms.",
+                partition, topic, partitionsCount, maxWaitMs);
+    }
     /**
      * Validate that the record size isn't too large
      */