Hi Muthu,
Do you have Kerberos enabled?
Thanks,
Pradeep
> On May 19, 2016, at 12:17 AM, Ramaswamy, Muthuraman
> <muthuraman.ramasw...@viasat.com> wrote:
>
> I am using Spark 1.6.1 and Kafka 0.9+ It works for both receiver and
> receiver-less mode.
>
> One thing I noticed when you specify invalid topic name, KafkaUtils doesn't
> fetch any messages. So, check you have specified the topic name correctly.
>
> ~Muthu
> ________________________________________
> From: Mail.com [pradeep.mi...@mail.com]
> Sent: Monday, May 16, 2016 9:33 PM
> To: Ramaswamy, Muthuraman
> Cc: Cody Koeninger; spark users
> Subject: Re: KafkaUtils.createDirectStream Not Fetching Messages with
> Confluent Serializers as Value Decoder.
>
> 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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>
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