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https://issues.apache.org/jira/browse/KAFKA-4126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15494627#comment-15494627
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Vahid Hashemian commented on KAFKA-4126:
----------------------------------------

[~omkreddy] Do you also get repeating log messages (like below) until the 
timeout is reached?
{code}
[2016-09-15 14:49:05,691] WARN Error while fetching metadata with correlation 
id 0 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
[2016-09-15 14:49:05,787] WARN Error while fetching metadata with correlation 
id 1 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
[2016-09-15 14:49:05,889] WARN Error while fetching metadata with correlation 
id 2 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
.
.
.
[2016-09-15 14:50:05,356] WARN Error while fetching metadata with correlation 
id 585 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
[2016-09-15 14:50:05,458] WARN Error while fetching metadata with correlation 
id 586 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
[2016-09-15 14:50:05,559] WARN Error while fetching metadata with correlation 
id 587 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
[2016-09-15 14:50:05,619] ERROR Error when sending message to topic new_topic 
with key: null, value: 1 bytes with error: 
(org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
org.apache.kafka.common.errors.TimeoutException: Failed to update metadata 
after 60000 ms.
[2016-09-15 14:50:05,661] WARN Error while fetching metadata with correlation 
id 588 : {new_topic=UNKNOWN_TOPIC_OR_PARTITION} 
(org.apache.kafka.clients.NetworkClient)
{code}

> No relevant log when the topic is non-existent
> ----------------------------------------------
>
>                 Key: KAFKA-4126
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4126
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Balázs Barnabás
>            Assignee: Vahid Hashemian
>            Priority: Minor
>
> When a producer sends a ProducerRecord into a Kafka topic that doesn't 
> existst, there is no relevant debug/error log that points out the error.



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