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ASF GitHub Bot commented on KAFKA-8803: --------------------------------------- abbccdda commented on pull request #7766: KAFKA-8803: [Streams fix] retry for initTxn URL: https://github.com/apache/kafka/pull/7766 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > Stream will not start due to TimeoutException: Timeout expired after > 60000milliseconds while awaiting InitProducerId > -------------------------------------------------------------------------------------------------------------------- > > Key: KAFKA-8803 > URL: https://issues.apache.org/jira/browse/KAFKA-8803 > Project: Kafka > Issue Type: Bug > Components: streams > Reporter: Raman Gupta > Assignee: Boyang Chen > Priority: Major > Attachments: logs.txt.gz, screenshot-1.png > > > One streams app is consistently failing at startup with the following > exception: > {code} > 2019-08-14 17:02:29,568 ERROR --- [2ce1b-StreamThread-2] > org.apa.kaf.str.pro.int.StreamTask : task [0_36] Timeout > exception caught when initializing transactions for task 0_36. This might > happen if the broker is slow to respond, if the network connection to the > broker was interrupted, or if similar circumstances arise. You can increase > producer parameter `max.block.ms` to increase this timeout. > org.apache.kafka.common.errors.TimeoutException: Timeout expired after > 60000milliseconds while awaiting InitProducerId > {code} > These same brokers are used by many other streams without any issue, > including some in the very same processes for the stream which consistently > throws this exception. > *UPDATE 08/16:* > The very first instance of this error is August 13th 2019, 17:03:36.754 and > it happened for 4 different streams. For 3 of these streams, the error only > happened once, and then the stream recovered. For the 4th stream, the error > has continued to happen, and continues to happen now. > I looked up the broker logs for this time, and see that at August 13th 2019, > 16:47:43, two of four brokers started reporting messages like this, for > multiple partitions: > [2019-08-13 20:47:43,658] INFO [ReplicaFetcher replicaId=3, leaderId=1, > fetcherId=0] Retrying leaderEpoch request for partition xxx-1 as the leader > reported an error: UNKNOWN_LEADER_EPOCH (kafka.server.ReplicaFetcherThread) > The UNKNOWN_LEADER_EPOCH messages continued for some time, and then stopped, > here is a view of the count of these messages over time: > !screenshot-1.png! > However, as noted, the stream task timeout error continues to happen. > I use the static consumer group protocol with Kafka 2.3.0 clients and 2.3.0 > broker. The broker has a patch for KAFKA-8773. -- This message was sent by Atlassian Jira (v8.3.4#803005)