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Date: Wed, 25 Mar 2009 17:28:50 -0700 (PDT)
From: "Viraj Bhat (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
Subject: [jira] Updated: (PIG-736) Inconsistent error message when the
 message should be about
 org.apache.hadoop.fs.permission.AccessControlException: Permission denied:
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     [ https://issues.apache.org/jira/browse/PIG-736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Viraj Bhat updated PIG-736:
---------------------------

    Attachment:     (was: pig_oldversion_errmsg.log)

> Inconsistent error message when the message should be about org.apache.hadoop.fs.permission.AccessControlException: Permission denied:
> --------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: PIG-736
>                 URL: https://issues.apache.org/jira/browse/PIG-736
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 1.0.1
>            Reporter: Viraj Bhat
>             Fix For: 1.0.1
>
>         Attachments: pig_newversion_errmsg.log, pig_oldversion_errmsg.log
>
>
> Suppose I have Pig script which accesses a directory in HDFS for which I do not have permissions
> shell> hadoop fs -ls /mydata/group_permissions/
> drwxr-x---   - groupuser restrictedgroup          0 2009-03-24 10:58 /mydata/group_permissions/20090323
> {code}
> %default dates_to_process '20090323'
> MYDATA = load '/mydata/group_permissions/{$dates_to_process}*' using
> PigStorage() as (col1,col2,col3) ;
> MYDATA_PROJECT = foreach MYDATA generate
>         (chararray) col1#'acct' as acct,
>         (int)col1#'country' as country,
>         (int)col1#'product' as product
> dump MYDATA_PROJECT;
> {code}
> The error message we get is:
> ===============================================================================================
> 2009-03-26 00:00:05,753 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2099: Problem in constructing slices.
> Details at logfile: /home/viraj/pig_1238025596328.log
> ===============================================================================================
> This message is definitely hard to debug
> ===============================================================================================
> With the previous version 1.0.0 I get the following error message, which is more appropriate to this case.
> ===============================================================================================
> 2009-03-26 00:01:41,787 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - java.io.IOException: org.apache.hadoop.fs.permission.AccessControlException: Permission denied: user=viraj, access=READ_EXECUTE, inode="20090323":groupuser:restrictedgroup:rwxr-x--- [org.apache.hadoop.fs.permission.AccessControlException: Permission denied: user=viraj, access=READ_EXECUTE, inode="20090323":groupuser:restrictedgroup:rwxr-x---]
>         at org.apache.pig.backend.hadoop.datastorage.HDirectory.iterator(HDirectory.java:157)
>         at org.apache.pig.backend.executionengine.PigSlicer.slice(PigSlicer.java:77)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:206)
>         at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:742)
>         at org.apache.hadoop.mapred.jobcontrol.Job.submit(Job.java:370)
>         at org.apache.hadoop.mapred.jobcontrol.JobControl.startReadyJobs(JobControl.java:247)
>         at org.apache.hadoop.mapred.jobcontrol.JobControl.run(JobControl.java:279)
>         at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.RuntimeException: org.apache.hadoop.fs.permission.AccessControlException: Permission denied: user=viraj, access=READ_EXECUTE, inode="20090323":groupuser:restrictedgroup:rwxr-x---
>         ... 8 more
> 2009-03-26 00:01:41,798 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1066: Unable to open iterator for alias MYDATA_PROJECT
> Details at logfile:  /home/viraj/pig_1238025692361.log
> ===============================================================================================

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