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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2020/10/01 03:19:48 UTC

[GitHub] [kafka] abbccdda commented on a change in pull request #9354: KAFKA-10134 Follow-up: Set the re-join flag in heartbeat failure

abbccdda commented on a change in pull request #9354:
URL: https://github.com/apache/kafka/pull/9354#discussion_r497960618



##########
File path: clients/src/test/java/org/apache/kafka/clients/consumer/KafkaConsumerTest.java
##########
@@ -1934,12 +1933,20 @@ public void testReturnRecordsDuringRebalance() {
         fetches1.put(tp0, new FetchInfo(3, 1));
         client.respondFrom(fetchResponse(fetches1), node);
 
-        records = consumer.poll(Duration.ZERO);
+        // now complete teh rebalance

Review comment:
       s/teh/the

##########
File path: clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java
##########
@@ -948,7 +948,7 @@ private synchronized void resetStateAndRejoin() {
     synchronized void resetGenerationOnResponseError(ApiKeys api, Errors error) {
         log.debug("Resetting generation after encountering {} from {} response and requesting re-join", error, api);
 
-        resetState();
+        resetStateAndRejoin();

Review comment:
       It seems that we would rejoin on FENCED_INSTANCE_ID as well, is that intentional? https://github.com/apache/kafka/blob/bd462df20321ff5b75a7e3eae70634268582d90b/clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java#L1106

##########
File path: clients/src/test/java/org/apache/kafka/clients/consumer/KafkaConsumerTest.java
##########
@@ -1948,10 +1955,14 @@ public void testReturnRecordsDuringRebalance() {
         fetches1.put(t3p0, new FetchInfo(0, 100));
         client.respondFrom(fetchResponse(fetches1), node);
 
-        records = consumer.poll(Duration.ZERO);
+        count.set(0);
+        TestUtils.waitForCondition(() -> {
+            ConsumerRecords<String, String> recs = consumer.poll(Duration.ofMillis(100L));
+            System.out.println("count2 " + count.addAndGet(recs.count()));

Review comment:
       Same here

##########
File path: clients/src/test/java/org/apache/kafka/clients/consumer/KafkaConsumerTest.java
##########
@@ -1934,12 +1933,20 @@ public void testReturnRecordsDuringRebalance() {
         fetches1.put(tp0, new FetchInfo(3, 1));
         client.respondFrom(fetchResponse(fetches1), node);
 
-        records = consumer.poll(Duration.ZERO);
+        // now complete teh rebalance
+        client.respondFrom(syncGroupResponse(Arrays.asList(tp0, t3p0), Errors.NONE), coordinator);
+
+        AtomicInteger count = new AtomicInteger(0);
+        TestUtils.waitForCondition(() -> {
+            ConsumerRecords<String, String> recs = consumer.poll(Duration.ofMillis(100L));
+            System.out.println("count " + count.addAndGet(recs.count()));

Review comment:
       Could we remove this print statement?




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