showuon commented on a change in pull request #8712:
URL: https://github.com/apache/kafka/pull/8712#discussion_r436446907



##########
File path: 
streams/src/test/java/org/apache/kafka/streams/processor/internals/InternalTopicManagerTest.java
##########
@@ -287,12 +290,49 @@ public void 
shouldLogWhenTopicNotFoundAndNotThrowException() {
 
             assertThat(
                 appender.getMessages(),
-                hasItem("stream-thread [" + threadName + "] Topic 
internal-topic is unknown or not found, hence not existed yet:" +
-                    " 
org.apache.kafka.common.errors.UnknownTopicOrPartitionException: Topic 
internal-topic not found.")
+                hasItem("stream-thread [" + threadName + "] Topic 
internal-topic is unknown or not found, hence not existed yet.\n" +
+                    "Error message was: 
org.apache.kafka.common.errors.UnknownTopicOrPartitionException: Topic 
internal-topic not found.")
             );
         }
     }
 
+    @Test
+    public void shouldLogWhenTopicLeaderNotAvailableAndThrowException() {
+        final String topicLeaderNotAvailable = "LeaderNotAvailableTopic";
+        mockAdminClient.addTopic(
+            false,
+            topicLeaderNotAvailable,
+            Collections.singletonList(new TopicPartitionInfo(0, broker1, 
cluster, Collections.emptyList())),
+            null);
+
+        final InternalTopicConfig internalTopicConfig = new 
RepartitionTopicConfig(topicLeaderNotAvailable, Collections.emptyMap());
+        internalTopicConfig.setNumberOfPartitions(1);
+
+        final Map<String, InternalTopicConfig> topicConfigMap = new 
HashMap<>();
+        topicConfigMap.put(topicLeaderNotAvailable, internalTopicConfig);
+
+        LogCaptureAppender.setClassLoggerToDebug(InternalTopicManager.class);
+        try (final LogCaptureAppender appender = 
LogCaptureAppender.createAndRegister(InternalTopicManager.class)) {
+            final StreamsException exception = assertThrows(
+                StreamsException.class,
+                () -> internalTopicManager.makeReady(topicConfigMap));
+
+            final String expectedMessage = "Could not create topics after 1 
retries. This can happen if the Kafka cluster is temporary not available";

Review comment:
       Good suggestion. Remove the log message check and only verify the 
exception thrown. Thanks.




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