Koelli Mungee created KAFKA-5369: ------------------------------------ Summary: Producer hangs on metadata fetch from broker in security authorization related failures and no meaningful exception is thrown Key: KAFKA-5369 URL: https://issues.apache.org/jira/browse/KAFKA-5369 Project: Kafka Issue Type: Improvement Components: consumer, producer Affects Versions: 0.10.0.0 Reporter: Koelli Mungee
Debugging security related misconfigurations becomes painful since the only symptom is a hang trying to fetch the metadata on the producer side at java.lang.Object.wait(Native Method) at org.apache.kafka.clients.Metadata.awaitUpdate(Metadata.java:129) at org.apache.kafka.clients.producer.KafkaProducer.waitOnMetadata(KafkaProducer.java:528) at org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProducer.java:441) at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:430) at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:353) There are no meaningful errors on the broker side either. Enabling Djavax.net.debug=all and/or Dsun.security.krb5.debug=true is an option, however this should be improved to get a meaningful error. -- This message was sent by Atlassian JIRA (v6.3.15#6346)