[
https://issues.apache.org/jira/browse/AVRO-1429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sudhir Ranjan updated AVRO-1429:
--------------------------------
Description:
Getting exception on storing null valued record/tupple as avro.
Please suggest if I am wrong 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$AppendWriteException:
java.lang.NullPointerException: null of long
ERROR org.apache.pig.tools.pigstats.PigStatsUtil - 1 map reduce job(s) failed!
was:
Getting exception on storing null valued record/tupple as avro.
Please suggest if I am wrong some where as per the bellow codebase or else
please provide the patch.
******My code base.
REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/snappy-java-1.0.4.1.jar
REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/avro-1.7.5.jar
REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/json-simple-1.1.jar;
REGISTER /home/hadoop/work/sudhir/AvroAnalysis/Avrojars/piggybank.jar;
REGISTER
/home/hadoop/work/sudhir/AvroAnalysis/Avrojars/jackson-core-asl-1.5.5.jar;
REGISTER
/home/hadoop/work/sudhir/AvroAnalysis/Avrojars/jackson-mapper-asl-1.5.5.jar;
-- The input file only have 1 column (normal TEXT data i.e TSV format) and the
file having a null value means nothing
A = load '/home/hadoop/work/sudhir/AvroAnalysis/input/TSV_uncompressed/part*'
using PigStorage('\t') as (USER_ID:long);
-- The soutput to be stored in avro data format
STORE A INTO
'/home/hadoop/work/sudhir/AvroAnalysis/output/TSV_uncompressed/part*' USING
org.apache.pig.piggybank.storage.avro.AvroStorage('schema','{"namespace":"com.sudhir.schema.users.avro","type":"record","name":"users_avro","doc":"Avro
storing with schema using
Pig.","fields":[{"name":"USER_ID","type":["null","long"],"default":null}]}');
*******Getting Error like:
INFO
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
- 100% complete
ERROR org.apache.pig.tools.pigstats.PigStats - ERROR 2997: Unable to recreate
exception from backed error:
org.apache.avro.file.DataFileWriter$AppendWriteException:
java.lang.NullPointerException: null of long
ERROR org.apache.pig.tools.pigstats.PigStatsUtil - 1 map reduce job(s) failed!
> Exception on storing Null value through AvroStorage using PIG
> -------------------------------------------------------------
>
> Key: AVRO-1429
> URL: https://issues.apache.org/jira/browse/AVRO-1429
> Project: Avro
> Issue Type: Task
> Environment: Hadoop 0.20.2-cdh3u5
> Apache Pig version 0.8.1-cdh3u5
> java version "1.6.0_27"
> Reporter: Sudhir Ranjan
> Labels: features, patch
>
> Getting exception on storing null valued record/tupple as avro.
> Please suggest if I am wrong 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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