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From Andrea Giordano <andrea.giordano....@gmail.com>
Subject Re: kafka broker not available at starting
Date Mon, 11 Sep 2017 16:38:46 GMT
Crashes again.

[2017-09-11 18:26:44,386] FATAL [Kafka Server 0], Fatal error during KafkaServer startup.
Prepare to shutdown (kafka.server.KafkaServer)
kafka.common.KafkaException: Socket server failed to bind to hidden_ip:55091: Cannot assign
requested address.

Maybe I can better clarify:

This broker is setup on a remote node.
The ip:port of this node are private so the cluster manager set a proxy to redirect requests
to the private ip:port

The hidden_ip:55091 I used actually are the public ip:port I use to access to the node which
is then translated in the private ip:port in the proxy. 

Therefore I set advertised.listeners=PLAINTEXT://public_ip:55091 <plaintext://public_ip:55091>
while listeners was commented in order to use the default value.

Clearly I’m overwriting the errors with the word “hidden_ip"

> On 11 Sep 2017, at 18:06, M. Manna <manmedia@gmail.com> wrote:
> 
> Could you try with the following:
> 
> listeners=PLAINTEXT:hidden_ip:55091
> advertised.listeners=PLAINTEXT://localhost:55091
> listener.security.protocol.map=PLAINTEXT:PLAINTEXT,SSL:SSL
> 
> "Until some weeks ago everything worked fine" - means you have accidentaly
> changed something.
> 
> On 11 September 2017 at 16:44, Andrea Giordano <
> andrea.giordano.inf@gmail.com> wrote:
> 
>> Hi,
>> I set on a ubuntu node of a cluster a kafka 0.11.0.0 instance. Until some
>> weeks ago everything worked fine, today I'm trying to starting it and I
>> obtain this error after the boot:
>> 
>> [2017-09-11 16:21:13,894] INFO [Kafka Server 0], started
>> (kafka.server.KafkaServer)
>> [2017-09-11 16:21:18,998] WARN Connection to node 0 could not be
>> established. Broker may not be available. (org.apache.kafka.clients.
>> NetworkClient)
>> [2017-09-11 16:21:21,991] WARN Connection to node 0 could not be
>> established. Broker may not be available. (org.apache.kafka.clients.
>> NetworkClient)
>> ... and so on...
>> My server.properties:
>> 
>> ############################# Server Basics #############################
>> 
>> # The id of the broker. This must be set to a unique integer for each
>> broker.
>> broker.id=0
>> 
>> # Switch to enable topic deletion or not, default value is false
>> delete.topic.enable=true
>> 
>> ############################# Socket Server Settings
>> ##########################$
>> 
>> # The address the socket server listens on. It will get the value returned
>> from
>> # java.net.InetAddress.getCanonicalHostName() if not configured.
>> #   FORMAT:
>> #     listeners = listener_name://host_name:port
>> #   EXAMPLE:
>> #     listeners = PLAINTEXT://your.host.name:9092
>> #listeners=PLAINTEXT://9092
>> 
>> # Hostname and port the broker will advertise to producers and consumers.
>> If no$
>> # it uses the value for "listeners" if configured.  Otherwise, it will use
>> the $
>> # returned from java.net.InetAddress.getCanonicalHostName().
>> advertised.listeners=PLAINTEXT://hidden_ip:55091
>> I edited advertised.listeners because there is a proxy to redirect
>> requests to the broker. Anyway until some weeks ago everything worked
>> fine...
>> 
>> My step to start kafka:
>> 
>> 1- service zookeeper start
>> 2- ./kafka_2.11-0.11.0.0/bin/kafka-server-start.sh
>> ~/kafka_2.11-0.11.0.0/config/server.properties
>> Any advises? Thank you


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