[jira] [Commented] (KAFKA-3017) hostnames with underscores '_' are not valid

2015-12-21 Thread Michael Martin (JIRA) 

[ 
https://issues.apache.org/jira/browse/KAFKA-3017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15066877#comment-15066877
 ] 

Michael Martin commented on KAFKA-3017:
---

Thank you for the clarification, Manikumar! We can explicitly override the 
hostname to circumvent this discrepancy.

> hostnames with underscores '_' are not valid
> 
>
> Key: KAFKA-3017
> URL: https://issues.apache.org/jira/browse/KAFKA-3017
> Project: Kafka
>  Issue Type: Bug
>Affects Versions: 0.9.0.0
>Reporter: Michael Martin
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Affects server.properties host.name and advertised.host.name
> {code}
> kafka_1 |  (kafka.server.KafkaConfig)
> kafka_1 | [2015-12-19 04:08:53,900] FATAL  (kafka.Kafka$)
> kafka_1 | kafka.common.KafkaException: Unable to parse 
> PLAINTEXT://kafka_kafka_1:9092 to a broker endpoint
> kafka_1 | at kafka.cluster.EndPoint$.createEndPoint(EndPoint.scala:49)
> kafka_1 | at 
> kafka.utils.CoreUtils$$anonfun$listenerListToEndPoints$1.apply(CoreUtils.scala:309)
> kafka_1 | at 
> kafka.utils.CoreUtils$$anonfun$listenerListToEndPoints$1.apply(CoreUtils.scala:309)
> {code}



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[jira] [Commented] (KAFKA-3017) hostnames with underscores '_' are not valid

2015-12-18 Thread Manikumar Reddy (JIRA) 

[ 
https://issues.apache.org/jira/browse/KAFKA-3017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15065227#comment-15065227
 ] 

Manikumar Reddy commented on KAFKA-3017:


The Internet standards (Requests for Comments) for protocols mandate that 
component hostname labels may contain only the ASCII letters 'a' through 'z' 
(in a case-insensitive manner), the digits '0' through '9', and the hyphen ('-')

https://en.wikipedia.org/wiki/Hostname#Restrictions_on_valid_host_names

> hostnames with underscores '_' are not valid
> 
>
> Key: KAFKA-3017
> URL: https://issues.apache.org/jira/browse/KAFKA-3017
> Project: Kafka
>  Issue Type: Bug
>Affects Versions: 0.9.0.0
>Reporter: Michael Martin
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> Affects server.properties host.name and advertised.host.name
> {code}
> kafka_1 |  (kafka.server.KafkaConfig)
> kafka_1 | [2015-12-19 04:08:53,900] FATAL  (kafka.Kafka$)
> kafka_1 | kafka.common.KafkaException: Unable to parse 
> PLAINTEXT://kafka_kafka_1:9092 to a broker endpoint
> kafka_1 | at kafka.cluster.EndPoint$.createEndPoint(EndPoint.scala:49)
> kafka_1 | at 
> kafka.utils.CoreUtils$$anonfun$listenerListToEndPoints$1.apply(CoreUtils.scala:309)
> kafka_1 | at 
> kafka.utils.CoreUtils$$anonfun$listenerListToEndPoints$1.apply(CoreUtils.scala:309)
> {code}



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