[jira] [Updated] (PIG-3656) Exception on storing Null value through AvroStorage using PIG

["Sudhir Ranjan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-3656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sudhir Ranjan updated PIG-3656:
-------------------------------

    Tags: features,patch  (was: features)

> Exception on storing Null value through AvroStorage using PIG
> -------------------------------------------------------------
>
>                 Key: PIG-3656
>                 URL: https://issues.apache.org/jira/browse/PIG-3656
>             Project: Pig
>          Issue Type: Bug
>         Environment: Hadoop 0.20.2-cdh3u5
> Apache Pig version 0.8.1-cdh3u5
> java version "1.6.0_27"
>            Reporter: Sudhir Ranjan
>
> Getting exception on storing null valued record/tupple as avro.
> The input file having one column with long values (one of them is null means nothing) and when I am trying to store the data in avro format ,it throws error.
> Please suggest if I am missing any thing some where as per the bellow codebase or else please provide the patch.
> ******My code base.
> REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/snappy-java-1.0.4.1.jar
> REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/avro-1.7.5.jar
> REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/json-simple-1.1.jar;
> REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/piggybank.jar;
> REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/jackson-core-asl-1.5.5.jar;
> REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/jackson-mapper-asl-1.5.5.jar;
> – The input file only have 1 column (normal TEXT data i.e TSV format) and the file having a null value means nothing
> A = load '/home/hadoop/work/sudhir/AvroAnalysis/input/TSV_uncompressed/part*' using PigStorage('\t') as (USER_ID:long);
> – The soutput to be stored in avro data format
> STORE A INTO '/home/hadoop/work/sudhir/AvroAnalysis/output/TSV_uncompressed/part*' USING org.apache.pig.piggybank.storage.avro.AvroStorage('schema','{"namespace":"com.sudhir.schema.users.avro","type":"long","name":"users_avro","doc":"Avro storing with schema using Pig.","fields":[
> {"name":"USER_ID","type":["null","long"],"default":null}
> ]}');
> *******Getting Error like:
> INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 100% complete
> ERROR org.apache.pig.tools.pigstats.PigStats - ERROR 2997: Unable to recreate exception from backed error: org.apache.avro.file.DataFileWriter$AppendWriteException: java.lang.NullPointerException: null of long
> ERROR org.apache.pig.tools.pigstats.PigStatsUtil - 1 map reduce job(s) failed!



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