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From "Grant Henke (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-3691) Confusing logging during metadata update timeout
Date Tue, 10 May 2016 21:47:12 GMT
Grant Henke created KAFKA-3691:
----------------------------------

             Summary: Confusing logging during metadata update timeout
                 Key: KAFKA-3691
                 URL: https://issues.apache.org/jira/browse/KAFKA-3691
             Project: Kafka
          Issue Type: Bug
            Reporter: Grant Henke
            Assignee: Grant Henke


When the KafkaProducer calls waitOnMetadata it will loop decrementing the remainingWaitMs
until it either receives the request metadata or runs out of time. Inside the loop Metadata.awaitUpdate
is called with the value in remainingWaitMs. Inside Metadata.awaitUpdate a timeout execption
could be thrown using the remainingWaitMs which results in messages like:
{noformat}
org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 3 ms.
{noformat}

Perhaps we should catch the exception and log the real maxWaitMs or change the language to
make the exception more clear. 

Note: I still need to investigate further to be sure exactly when this happens, but wanted
to log the jira to make sure this is not forgotten. 




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