Error storing aggregate function output
---------------------------------------
Key: PIG-316
URL: https://issues.apache.org/jira/browse/PIG-316
Project: Pig
Issue Type: Bug
Affects Versions: types_branch
Reporter: Pradeep Kamath
Fix For: types_branch
Query which causes error:
{code}
a = load ':INPATH:/singlefile/studenttab10k' as (name:chararray, age:int,
gpa:double);
b = group a ALL;
c = foreach b generate SUM(a.age), MIN(a.name), MIN(a.age), MAX(a.name),
MAX(a.age), AVG(a.age), AVG(a.gpa), COUNT(a.age);
store b into ':OUTPATH:';
{code}
Error:
{quote}
2008-07-14 16:34:44,328 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to
hadoop file system at: mytesthost:8020
2008-07-14 16:34:44,384 [main] WARN org.apache.hadoop.fs.FileSystem -
"mytesthost:8020" is a deprecated filesystem name. Use
"hdfs://mytesthost:8020/" instead.
2008-07-14 16:34:44,638 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to
map-reduce job tracker at: mytesthost:50020
2008-07-14 16:34:44,895 [main] WARN org.apache.hadoop.fs.FileSystem -
"mytesthost:8020" is a deprecated filesystem name. Use
"hdfs://mytesthost:8020/" instead.
store file is
/user/pig/tests/results/pradeepk.1216078420/Types_7.out:org.apache.pig.builtin.PigStorage
2008-07-14 16:34:46,780 [main] WARN org.apache.hadoop.fs.FileSystem -
"mytesthost:8020" is a deprecated filesystem name. Use
"hdfs://mytesthost:8020/" instead.
2008-07-14 16:34:46,892 [Thread-9] WARN org.apache.hadoop.fs.FileSystem -
"mytesthost:8020" is a deprecated filesystem name. Use
"hdfs://mytesthost:8020/" instead.
2008-07-14 16:34:47,157 [Thread-9] WARN org.apache.hadoop.fs.FileSystem -
"mytesthost:8020" is a deprecated filesystem name. Use
"hdfs://mytesthost:8020/" instead.
2008-07-14 16:34:47,357 [main] INFO
org.apache.pig.impl.mapReduceLayer.Launcher - 0.0% complete
2008-07-14 16:34:50,938 [main] INFO
org.apache.pig.impl.mapReduceLayer.Launcher - 50.0% complete
2008-07-14 16:36:02,180 [main] INFO
org.apache.pig.impl.mapReduceLayer.Launcher - 83.33480060100555% complete
2008-07-14 16:36:07,732 [main] INFO
org.apache.pig.impl.mapReduceLayer.Launcher - Unsuccessful attempt. Completed
0.0% of the job
2008-07-14 16:36:07,747 [main] ERROR
org.apache.pig.impl.mapReduceLayer.Launcher - Error message from task (map)
tip_200807081132_0526_m_000000
2008-07-14 16:36:07,750 [main] ERROR
org.apache.pig.impl.mapReduceLayer.Launcher - Error message from task (reduce)
tip_200807081132_0526_r_000000 java.io.IOException: Cannot store a non-flat
tuple using PigStorage
at org.apache.pig.builtin.PigStorage.putNext(PigStorage.java:163)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:117)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:90)
at org.apache.hadoop.mapred.ReduceTask$3.collect(ReduceTask.java:373)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:154)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:83)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:391)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)
java.io.IOException: Cannot store a non-flat tuple using PigStorage
at org.apache.pig.builtin.PigStorage.putNext(PigStorage.java:163)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:117)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:90)
at org.apache.hadoop.mapred.ReduceTask$3.collect(ReduceTask.java:373)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:154)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:83)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:391)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)
java.io.IOException: Cannot store a non-flat tuple using PigStorage
at org.apache.pig.builtin.PigStorage.putNext(PigStorage.java:163)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:117)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:90)
at org.apache.hadoop.mapred.ReduceTask$3.collect(ReduceTask.java:373)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:154)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:83)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:391)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)
java.io.IOException: Cannot store a non-flat tuple using PigStorage
at org.apache.pig.builtin.PigStorage.putNext(PigStorage.java:163)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:117)
at
org.apache.pig.impl.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:90)
at org.apache.hadoop.mapred.ReduceTask$3.collect(ReduceTask.java:373)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:154)
at
org.apache.pig.impl.mapReduceLayer.PigMapReduce$Reduce.reduce(PigMapReduce.java:83)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:391)
at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)
{quote}
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