A few questions:
What are you trying to do? What is the pig script that you're trying to run?
What version of Cassandra?
What version of Pig?
Did you add any column_metadata to your column family, like a validation_class?
On Apr 28, 2011, at 7:58 PM, Himanshu wrote:
> java.lang.ClassCastException: org.apache.pig.data.DataByteArray cannot be
> cast to java.lang.String
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.PORegexp.getNext(PORegexp.java:84)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFilter.getNext(POFilter.java:148)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:236)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:231)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:53)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> 2011-04-28 16:27:14,198 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
> - HadoopJobId: job_local_0001
>
> Above is the complete stack trace, And I am also using CassandraStorage.
> What does declaring the schema with the column type as bytearray, and then
> do a cast Means?
>
>
>
>
> On Thu, Apr 28, 2011 at 8:43 PM, Thejas M Nair <[EMAIL PROTECTED]> wrote:
>
>> Are you also using CassandraStorage?
>> Can you paste the entire stack trace ?
>> It seems CassandraStorage is returning a DataByteArray instead of String,
>> can you try declaring the schema with the column type as bytearray, and then
>> do a cast ?
>>
>> Thanks,
>> Thejas
>>
>>
>>
>> On 4/28/11 12:05 PM, "Himanshu" <[EMAIL PROTECTED]> wrote:
>>
>> Hi Badri,
>>
>>
>>
http://mail-archives.apache.org/mod_mbox/pig-user/201104.mbox/%3C009a01cbf5ba$232d61d0$69882570$@com%3E>>
>> Did you get a resolution on the above email post yet?
>>
>>
>> Thanks
>> Himanshu Garg
>> +1 203 308 6212
>>
>>
>>
>> --
>>
>>