Hi Muthu,
Are you on spark 1.4.1 and Kafka 0.8.2? I have a similar issue even for simple
string messages.
Console producer and consumer work fine. But spark always reruns empty RDD. I
am using Receiver based Approach.
Thanks,
Pradeep
> On May 16, 2016, at 8:19 PM, Ramaswamy, Muthuraman
> <muthuraman.ramasw...@viasat.com> wrote:
>
> Yes, I can see the messages. Also, I wrote a quick custom decoder for avro
> and it works fine for the following:
>
>>> kvs = KafkaUtils.createDirectStream(ssc, [topic], {"metadata.broker.list":
>>> brokers}, valueDecoder=decoder)
>
> But, when I use the Confluent Serializers to leverage the Schema Registry
> (based on the link shown below), it doesn’t work for me. I am not sure
> whether I need to configure any more details to consume the Schema Registry.
> I can fetch the schema from the schema registry based on is Ids. The decoder
> method is not returning any values for me.
>
> ~Muthu
>
>
>
>> On 5/16/16, 10:49 AM, "Cody Koeninger" <c...@koeninger.org> wrote:
>>
>> Have you checked to make sure you can receive messages just using a
>> byte array for value?
>>
>> On Mon, May 16, 2016 at 12:33 PM, Ramaswamy, Muthuraman
>> <muthuraman.ramasw...@viasat.com> wrote:
>>> I am trying to consume AVRO formatted message through
>>> KafkaUtils.createDirectStream. I followed the listed below example (refer
>>> link) but the messages are not being fetched by the Stream.
>>>
>>> https://urldefense.proofpoint.com/v2/url?u=http-3A__stackoverflow.com_questions_30339636_spark-2Dpython-2Davro-2Dkafka-2Ddeserialiser&d=CwIBaQ&c=jcv3orpCsv7C4ly8-ubDob57ycZ4jvhoYZNDBA06fPk&r=NQ-dw5X8CJcqaXIvIdMUUdkL0fHDonD07FZzTY3CgiU&m=Nc-rPMFydyCrwOZuNWs2GmSL4NkN8eGoR-mkJUlkCx0&s=hwqxCKl3P4_9pKWeo1OGR134QegMRe3Xh22_WMy-5q8&e=
>>>
>>>
>>> Is there any code missing that I must add to make the above sample work.
>>> Say, I am not sure how the confluent serializers would know the avro schema
>>> info as it knows only the Schema Registry URL info.
>>>
>>> Appreciate your help.
>>>
>>> ~Muthu
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