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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8137) Empty ORC file handling
Date Sun, 05 Oct 2014 12:57:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14159516#comment-14159516
] 

Hive QA commented on HIVE-8137:
-------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12672959/HIVE-8137.patch

{color:red}ERROR:{color} -1 due to 78 failed/errored test(s), 6511 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_archive_multi
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join25
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join27
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join_reordering_values
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_auto_join_without_localtask
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ba_table_union
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_cbo_correctness
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_char_union1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_column_access_stats
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer10
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer6
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer8
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_create_view
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_filter_join_breaktask
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_filter_join_breaktask2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_infer_bucket_sort
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input23
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_input28
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_filters
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_hive_626
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_reorder
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_reorder2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_join_reorder3
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_mapjoin_hook
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_multiMapJoin2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_nonblock_op_deduplicate
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_nullgroup5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_order_within_subquery
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_join2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_join5
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_join_filter
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_union_view
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ptf
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ptf_streaming
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_semijoin
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_skewjoinopt13
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_skewjoinopt14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_skewjoinopt9
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats_noscan_2
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_exists_having
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_in
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_in_having
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_notexists_having
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_notin
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_subquery_views
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_table_access_keys_stats
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_temp_table_join1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union15
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union17
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union18
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union19
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union20
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union22
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union24
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union26
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union28
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union30
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union31
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union32
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union33
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union34
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union6
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union7
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union_remove_10
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_varchar_union1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorized_ptf
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_view_cast
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_windowing
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_external_table_with_space_in_location_path
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_file_with_header_footer
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_root_dir_external_table
org.apache.hadoop.hive.cli.TestMinimrCliDriver.testCliDriver_schemeAuthority
org.apache.hadoop.hive.ql.TestMTQueries.testMTQueries1
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1123/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/1123/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-1123/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 78 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12672959

> Empty ORC file handling
> -----------------------
>
>                 Key: HIVE-8137
>                 URL: https://issues.apache.org/jira/browse/HIVE-8137
>             Project: Hive
>          Issue Type: Improvement
>          Components: File Formats
>    Affects Versions: 0.13.1
>            Reporter: Pankit Thapar
>             Fix For: 0.14.0
>
>         Attachments: HIVE-8137.patch
>
>
> Hive 13 does not handle reading of a zero size Orc File properly. An Orc file is suposed
to have a post-script
> which the ReaderIml class tries to read and initialize the footer with it. But in case,
the file is empty 
> or is of zero size, then it runs into an IndexOutOfBound Exception because of ReaderImpl
trying to read in its constructor.
> Code Snippet : 
> //get length of PostScript
> int psLen = buffer.get(readSize - 1) & 0xff; 
> In the above code, readSize for an empty file is zero.
> I see that ensureOrcFooter() method performs some sanity checks for footer , 
> so, either we can move the above code snippet to ensureOrcFooter() and throw a "Malformed
ORC file exception" or we can create a dummy Reader that does not initialize footer and basically
has hasNext() set to false so that it returns false on the first call.
> Basically, I would like to know what might be the correct way to handle an empty ORC
file in a mapred job?
> Should we neglect it and not throw an exception or we can throw an exeption that the
ORC file is malformed.
> Please let me know your thoughts on this.



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