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kiran commented on KAFKA-4246: ------------------------------ Hello Experts, I am using kafka 2.12 and spark-sql-kafka-0-10_2.12 <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka_${scala.tools.version}</artifactId> <version>${kafka.version}</version> </dependency> <!-- https://mvnrepository.com/artifact/org.apache.spark/spark-sql-kafka-0-10 --> <dependency> <groupId>org.apache.spark</groupId> <artifactId>spark-sql-kafka-0-10_2.12</artifactId> <version>${spark.version}</version> <scope>test</scope> </dependency> I have been getting this error below. Would appreciate any inputs what exactly I need to change/add? In my case the consumer is a spark streaming application using DStreams 2021-06-25 04:05:21 ERROR AbstractCoordinator.java:950 - [Consumer clientId=consumer-kafkaToCassandraWriterGroup-2, groupId=kafkaToCassandraWriterGroup] LeaveGroup request failed with error: The coordinator is not aware of this member. 2021-06-25 04:10:21 ERROR AbstractCoordinator.java:950 - [Consumer clientId=consumer-kafkaToCassandraWriterGroup-3, groupId=kafkaToCassandraWriterGroup] LeaveGroup request failed with error: The coordinator is not aware of this member. > Discretionary partition assignment on the consumer side not functional > ---------------------------------------------------------------------- > > Key: KAFKA-4246 > URL: https://issues.apache.org/jira/browse/KAFKA-4246 > Project: Kafka > Issue Type: Bug > Components: clients > Affects Versions: 0.10.0.1 > Reporter: Alexandru Ionita > Priority: Major > > Trying to manually assign partition/topics to a consumer will not work > correctly. The consumer will be able to fetch records from the given > partitions, but the first commit will fail with the following message: > {code} > 2016-10-03 13:44:50.673 DEBUG 11757 --- [pool-9-thread-1] > o.a.k.c.c.internals.ConsumerCoordinator : Offset commit for group XXXXXX > failed: The coordinator is not aware of this member. > 2016-10-03 13:44:50.673 WARN 11757 --- [pool-9-thread-1] > o.a.k.c.c.internals.ConsumerCoordinator : Auto offset commit failed for > group XXXXXX: Commit cannot be completed since the group has already > rebalanced and assigned the partitions to another member. This means that the > time between subsequent calls to poll() was longer than the configured > session.timeout.ms, which typically implies that the poll loop is spending > too much time message processing. You can address this either by increasing > the session timeout or by reducing the maximum size of batches returned in > poll() with max.poll.records. > {code}. > All this while the consumer will continue to poll records from the kafka > cluster, but every commit will fail with the same message. > I tried setting the {{session.timeout.ms}} to values like 50000, but I was > getting the same outcome => no successfull commits. > If I only switch from {{consumer.assign( subscribedPartitions )}} to > {{consumer.subscribe( topics )}}, everything works as expected. No other > client configurations should be changed to make it work. > Am I missing something here? -- This message was sent by Atlassian Jira (v8.3.4#803005)