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From Abhishek Agarwal <abhishc...@gmail.com>
Subject Re: Is Storm 1.0.0 compatible with Kafka 0.8.2.x?
Date Wed, 20 Apr 2016 11:44:44 GMT
@John -
can you file a JIRA for this? I doubt it is related to 1.0.0 version in
particular. I have run into "illegalArugmentExceptions" in KafkaSpout
(0.10.0).

On Wed, Apr 20, 2016 at 4:44 PM, John Yost <hokiegeek2@gmail.com> wrote:

> Also, I found this link that indicates the exception I reported yesterday
> can be symptomatic of a mismatch between the client and broker where the
> client is one version newer.  I am not saying that's the case here with
> Storm 1.0.0, but wanted to provide this info troubleshooting-wise.
>
> Thanks
>
> --John
>
> On Tue, Apr 19, 2016 at 3:26 PM, John Yost <hokiegeek2@gmail.com> wrote:
>
>> Hi Harsha,
>>
>> When the Storm 1.0.0 KafkaSpout (from the storm-kafka jar) attempts to
>> read from the Kafka 0.8.2.1 partition an IlegalArgumentException is thrown,
>> the root exception of which is as follows:
>>
>> at java.nio.Buffer.limit(Buffer.java:267)
>> at kafka.api.FetchResponsePartitionData$.readFrom(FetchResponse.scala:37)
>> at kafka.api.TopicData$$anonfun$1.apply(FetchResponse.scala:99)
>> at kafka.api.TopicData$$anonfun$1.apply(FetchResponse.scala:97)
>> at
>> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>> at
>> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>> at scala.collection.immutable.Range.foreach(Range.scala:141)
>> at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
>> at scala.collection.AbstractTraversable.map(Traversable.scala:105)
>> at kafka.api.TopicData$.readFrom(FetchResponse.scala:97)
>> at kafka.api.FetchResponse$$anonfun$4.apply(FetchResponse.scala:169)
>> at kafka.api.FetchResponse$$anonfun$4.apply(FetchResponse.scala:168)
>> at
>> scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:251)
>> at
>> scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:251)
>> at scala.collection.immutable.Range.foreach(Range.scala:141)
>> at
>> scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:251)
>> at scala.collection.AbstractTraversable.flatMap(Traversable.scala:105)
>>
>> The corresponding source code in Kafka where the root exception is thrown
>> is bolded:
>>
>> object FetchResponsePartitionData {
>>   def readFrom(buffer: ByteBuffer): FetchResponsePartitionData = {
>>     val error = buffer.getShort
>>     val hw = buffer.getLong
>>     val messageSetSize = buffer.getInt
>>     val messageSetBuffer = buffer.slice()
>>  *   messageSetBuffer.limit(messageSetSize)*
>>     buffer.position(buffer.position + messageSetSize)
>>     new FetchResponsePartitionData(error, hw, new
>> ByteBufferMessageSet(messageSetBuffer))
>>   }
>>
>> I am using all the default KafkaConfig settings for the KafkaSpout with
>> the exception of startOffsetTime, so I don't *think* I have a
>> misconfiguration, but I may be wrong.
>>
>> Please confirm if there is anything I need to do config-wise to make this
>> work.
>>
>> Thanks
>>
>> --John
>>
>> On Sat, Apr 16, 2016 at 10:49 PM, <hokiegeek2@gmail.com> wrote:
>>
>>> Awesome, thanks Harsha!
>>>
>>> --John
>>>
>>> Sent from my iPhone
>>>
>>> > On Apr 16, 2016, at 1:28 PM, Harsha <mail@harsha.io> wrote:
>>> >
>>> > John,
>>> >             I think you are asking if you will be able to run 0.8.2
>>> kafka consumer in storm 1.0.0 . Yes we are shipping storm-kafka-client
>>> which uses the new consumer api in kafka 0.9.0.1 but storm 1.0.0 still
>>> ships with storm-kafka which uses older consumer api which can work with
>>> all versions of kafka including 0.9.0.1.
>>> >
>>> > "I checked out the v1.0.0 tag, changed the kafka version to 0.8.2.1,
>>> and I am getting compile errors in storm-kafka-client. I don't have a
>>> problem fixing the errors, but I want to ensure I am not wasting my time.
>>> :)"
>>> >
>>> > You shouldn't be changing kafka version. As I said above Kafka 0.9.0.1
>>> contains two kafka apis new ones which will only works with 0.9.0.1 kafka
>>> cluster and old consumer apis which can work 0.8.2. Even though you compile
>>> with 0.9.0.1 version it will work with 0.8.2.1 kafka cluster.
>>> >
>>> > Let me know if you have any questions.
>>> >
>>> > Thanks,
>>> > Harsha
>>> >
>>> >> On Fri, Apr 15, 2016, at 11:39 AM, John Yost wrote:
>>> >> Hi Everyone,
>>> >> I know that Storm 1.0.0 is designed to work with Kafka 0.9.0.1, but
>>> is it possible for Storm 1.0.0 to work with 0.8.2.1?
>>> >>
>>> >> I did some integration testing with 0.9.0.1 client with 0.8.2.1
>>> broker, which is yucky, and it appears this won't work.
>>> >>
>>> >> I checked out the v1.0.0 tag, changed the kafka version to 0.8.2.1,
>>> and I am getting compile errors in storm-kafka-client. I don't have a
>>> problem fixing the errors, but I want to ensure I am not wasting my time. :)
>>> >>
>>> >> Please confirm if it is anticipated that Storm 1.0.0 can be made
>>> compatible with Kafka 0.8.2.x--thanks!
>>> >> --John
>>> >
>>>
>>
>>
>


-- 
Regards,
Abhishek Agarwal

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