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https://issues.apache.org/jira/browse/PIG-3267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Dai resolved PIG-3267.
-----------------------------
Resolution: Fixed
Fix Version/s: 0.11.2
Hadoop Flags: Reviewed
Patch committed to both 0.11 and trunk as Dmitriy requested.
> HCatStorer fail in limit query
> ------------------------------
>
> Key: PIG-3267
> URL: https://issues.apache.org/jira/browse/PIG-3267
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.2, 0.10.1, 0.11.1
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.12, 0.11.2
>
> Attachments: PIG-3267-1.patch
>
>
> The following query fail:
> {code}
> data = LOAD 'student.txt' as (name:chararray, age:int, gpa:double);
> data_limited = limit data 10;
> samples = foreach data_limited generate age as number;
> store samples into 'samples' using
> org.apache.hcatalog.pig.HCatStorer('part_dt=20130101T010000T36');
> {code}
> Error happens before launching the second job. Error message:
> {code}
> Message: org.apache.hadoop.mapred.FileAlreadyExistsException: Output
> directory
> hdfs://localhost:8020/user/hive/warehouse/samples/part_dt=20130101T010000T36
> already exists
> at
> org.apache.hadoop.mapred.FileOutputFormat.checkOutputSpecs(FileOutputFormat.java:121)
> at
> org.apache.hcatalog.mapreduce.FileOutputFormatContainer.checkOutputSpecs(FileOutputFormatContainer.java:135)
> at
> org.apache.hcatalog.mapreduce.HCatBaseOutputFormat.checkOutputSpecs(HCatBaseOutputFormat.java:72)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecsHelper(PigOutputFormat.java:207)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:188)
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:887)
> at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:396)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
> at
> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
> at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:824)
> at org.apache.hadoop.mapred.jobcontrol.Job.submit(Job.java:378)
> at
> org.apache.hadoop.mapred.jobcontrol.JobControl.startReadyJobs(JobControl.java:247)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.pig.backend.hadoop20.PigJobControl.mainLoopAction(PigJobControl.java:157)
> at
> org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:134)
> at java.lang.Thread.run(Thread.java:680)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:257)
> {code}
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