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Date: Tue, 28 Apr 2015 08:17:05 +0000 (UTC)
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 <JIRA.12823038.1429712237783@arcas>
Subject: [jira] [Commented] (HIVE-10437) NullPointerException on queries
 where map/reduce is not involved on tables with partitions
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    [ https://issues.apache.org/jira/browse/HIVE-10437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516632#comment-14516632 ] 

Hive QA commented on HIVE-10437:
--------------------------------


{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/12728506/HIVE-10437.patch

{color:red}ERROR:{color} -1 due to 14 failed/errored test(s), 8818 tests executed
*Failed tests:*
{noformat}
TestMinimrCliDriver-bucketmapjoin6.q-constprog_partitioner.q-infer_bucket_sort_dyn_part.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-external_table_with_space_in_location_path.q-infer_bucket_sort_merge.q-auto_sortmerge_join_16.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-groupby2.q-import_exported_table.q-bucketizedhiveinputformat.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-index_bitmap3.q-stats_counter_partitioned.q-temp_table_external.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-infer_bucket_sort_map_operators.q-join1.q-bucketmapjoin7.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-infer_bucket_sort_num_buckets.q-disable_merge_for_bucketing.q-uber_reduce.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-infer_bucket_sort_reducers_power_two.q-scriptfile1.q-scriptfile1_win.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-leftsemijoin_mr.q-load_hdfs_file_with_space_in_the_name.q-root_dir_external_table.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-list_bucket_dml_10.q-bucket_num_reducers.q-bucket6.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-load_fs2.q-file_with_header_footer.q-ql_rewrite_gbtoidx_cbo_1.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-parallel_orderby.q-reduce_deduplicate.q-ql_rewrite_gbtoidx_cbo_2.q-and-1-more - did not produce a TEST-*.xml file
TestMinimrCliDriver-ql_rewrite_gbtoidx.q-smb_mapjoin_8.q - did not produce a TEST-*.xml file
TestMinimrCliDriver-schemeAuthority2.q-bucket4.q-input16_cc.q-and-1-more - did not produce a TEST-*.xml file
org.apache.hive.jdbc.TestSSL.testSSLConnectionWithProperty
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3620/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/3620/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-3620/

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: 14 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12728506 - PreCommit-HIVE-TRUNK-Build

> NullPointerException on queries where map/reduce is not involved on tables with partitions
> ------------------------------------------------------------------------------------------
>
>                 Key: HIVE-10437
>                 URL: https://issues.apache.org/jira/browse/HIVE-10437
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>    Affects Versions: 1.1.0
>            Reporter: Demeter Sztanko
>            Assignee: Ashutosh Chauhan
>            Priority: Critical
>         Attachments: HIVE-10437.patch
>
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> On a table with partitions, whenever I try to do a simple query which tells hive not to execute mapreduce but just read data straight from hdfs, it raises an exception:
> {code}
> create external table jsonbug(
> a int,
> b string
> )
>     PARTITIONED BY (
>     `c` string)
> ROW FORMAT SERDE
>   'org.openx.data.jsonserde.JsonSerDe'
> WITH SERDEPROPERTIES (
>       'ignore.malformed.json'='true')
> STORED AS INPUTFORMAT
>   'org.apache.hadoop.mapred.TextInputFormat'
> OUTPUTFORMAT
>   'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
> LOCATION
>   '/tmp/jsonbug';
> ALTER TABLE jsonbug ADD PARTITION(c='1');
> {code}
> Runnin simple 
> {code}
> select * from jsonbug;
> {code}
> Raises the following exception:
> {code}
> FAILED: RuntimeException org.apache.hadoop.hive.ql.metadata.HiveException: Failed with exception nulljava.lang.NullPointerException
>     at org.apache.hadoop.hive.ql.exec.FetchOperator.needConversion(FetchOperator.java:607)
>     at org.apache.hadoop.hive.ql.exec.FetchOperator.setupOutputObjectInspector(FetchOperator.java:578)
>     at org.apache.hadoop.hive.ql.exec.FetchOperator.initialize(FetchOperator.java:172)
>     at org.apache.hadoop.hive.ql.exec.FetchOperator.<init>(FetchOperator.java:140)
>     at org.apache.hadoop.hive.ql.exec.FetchTask.initialize(FetchTask.java:79)
>     at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:455)
>     at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:307)
>     at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1112)
>     at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1160)
>     at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1049)
>     at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1039)
>     at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:207)
>     at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:159)
>     at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:370)
>     at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:754)
>     at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675)
>     at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:606)
>     at org.apache.hadoop.util.RunJar.main(RunJar.java:160)
> {code}
> It works fine if I execute a query involving map/reduce job though.
> This problem occurs only when using SerDe's created for hive versions pre 1.1.0, those which do not have @SerDeSpec annotation specified. Most of the third party SerDE's, including hcat's JsonSerde have this problem as well. 
> It seems like changes made in HIVE-7977 introduce this bug. See org.apache.hadoop.hive.ql.exec.FetchOperator.needConversion(FetchOperator.java:607)
> {code}
> Class<?> tableSerDe = tableDesc.getDeserializerClass();
> String[] schemaProps = AnnotationUtils.getAnnotation(tableSerDe, SerDeSpec.class).schemaProps();
> {code}
> And it also seems like a relatively easy fix.


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