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 >> >> >> >> -- >> >>
