Avro 1.4.1 only works for me with PIG-2411 applied

Russell Jurney
twitter.com/rjurney
[email protected]
datasyndrome.com

On Jan 9, 2012, at 12:52 PM, Stan Rosenberg
<[email protected]> wrote:

> Generally, AvroStorage works fine for us with Avro 1.6.  However, we
> also patched AvroStorage on a couple of occasions, e.g., see PIG-2330.
>
> stan
>
> On Mon, Jan 9, 2012 at 3:47 PM, Russell Jurney <[email protected]> 
> wrote:
>> I could only make AvroStorage work with Avro 1.4.1.
>>
>> Russell Jurney
>> twitter.com/rjurney
>> [email protected]
>> datasyndrome.com
>>
>> On Jan 9, 2012, at 1:16 AM, Andrew Kenworthy <[email protected]> wrote:
>>
>> Hallo,
>>
>> When I run a simple pig script to LOAD and STORE avro data, I get:-
>>
>> java.lang.ClassCastException: org.apache.pig.data.BinSedesTuple cannot be
>> cast to org.apache.avro.generic.IndexedRecord
>>
>> Script:
>>
>> REGISTER /tmp/avro-1.6.0.jar;
>> --REGISTER  /tmp/avro-1.5.4.jar
>> --REGISTER  /tmp/avro-1.4.1.jar;
>>
>> REGISTER /tmp/piggybank-0.9.1.jar;
>> REGISTER /tmp/json-simple-1.1.jar;
>> REGISTER /tmp/jackson-core-asl-1.8.4.jar;
>> REGISTER /tmp/jackson-mapper-asl-1.8.4.jar;
>>
>> avroData=LOAD '$DATA_INPUTDIR' USING
>> org.apache.pig.piggybank.storage.avro.AvroStorage();
>>
>> dataSubset = FOREACH avroData GENERATE myField1, myField2;
>> describe  dataSubset;
>> -----------------------------------------------
>> -- shows:
>> -- dataSubset : { myField1: int, myField2: int}
>> -----------------------------------------------
>> STORE dataSubset INTO '$OUTPUTDIR' USING
>> org.apache.pig.piggybank.storage.avro.AvroStorage();
>>
>> If I use the 1.5.4 jar I get the same error, but the script works with the
>> 1.4.1 version. If I just write one field, then it works with 1.6.0.
>>
>> I see there's been a related issue fixed here:
>>
>> https://issues.apache.org/jira/browse/PIG-2202
>> https://issues.apache.org/jira/browse/PIG-2195
>>
>> Can anyone confirm that this or similar works with avro 1.6.0, and/or point
>> me in the right direction concering where the problem may lie?
>>
>> Many thanks,
>>
>> Andrew

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