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From "M. Manna" <manme...@gmail.com>
Subject Re: kafka broker not available at starting
Date Mon, 11 Sep 2017 16:06:02 GMT
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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