[QUESTION] CouldNotPublishMessage exception: Sent messages may not be completed yet. about laravel-kafka HOT 8 CLOSED

Hey @maquib which laravel-kafka version are you using? The publishOn('broker', 'topic') was changed to publishOn('topic', 'broker'), with borker being optional in v1.3.0, so, if you are using the package with verision higher than v1.3.0 it's trying to connect to test_topic:9092, which does not exist and is throwing this exception since kafka can't flush messages.

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@mateusjunges

from laravel-kafka.

@maquib which laravel-kafka do you have installed?

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@mateusjunges I just run this command composer require mateusjunges/laravel-kafka i don't know which version it is. I think laravel-kafka version is v1.5.1 and rdkafka version is 5.0.2 and librdkafka version is 1.6.2. If this version. If the information related to the version is wrong then tell me How we will know the version?

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Yeah if you didn't specified a version then you're using v1.5.1.

NOTE: You can run composer show |grep laravel-kafka to discover which package version you have installed.

Your problem here is that you are using publishOn('broker', 'topic'), but the syntax for v1.5.1 is publishOn('topic', 'broker'). So kafka is trying to connect to a broker at topic:9092, which does not exist, and gives you the exception above
The followint code should work fine:

Kafka::publishOn('topic', 'broker')
    ->withBodyKey('foo', 'bar')
    ->send();

return response('ok');

Let me know if it helps.

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@mateusjunges When we are sending message by the producer in the terminal, it is also recieving by the consumer in the terminal. But what is the problem in my code, again same error is coming which was coming before

Kafka::publishOn('test-topic', 'broker')
->withBodyKey('foo', 'bar')
->send();

    return response('ok');

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Hey @maquib are you using the code exactly as you posted or did you replaced broker with your broker ip, which is localhost:9092?

This is a working example:

Kafka::publishOn('test-topic', 'localhost:9092')
    ->withBodyKey('foo', 'bar')
    ->send();

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@mateusjunges thank you
its working.

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