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From "Deepesh Khandelwal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-5452) WebHCat e2e test Pig_HBase_1 and Pig_HBase_2 are failing with ClassCastException
Date Sat, 05 Oct 2013 01:06:43 GMT

     [ https://issues.apache.org/jira/browse/HIVE-5452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deepesh Khandelwal updated HIVE-5452:
-------------------------------------

    Attachment: BUG-5452.patch

Attached is the patch fixing the issue.

> WebHCat e2e test Pig_HBase_1 and Pig_HBase_2 are failing with ClassCastException
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-5452
>                 URL: https://issues.apache.org/jira/browse/HIVE-5452
>             Project: Hive
>          Issue Type: Bug
>          Components: WebHCat
>    Affects Versions: 0.12.0
>            Reporter: Deepesh Khandelwal
>            Assignee: Deepesh Khandelwal
>         Attachments: BUG-5452.patch
>
>
> WebHCat e2e test Pig_HBase_1 tries to read data from a table it created using the org.apache.hcatalog.hbase.HBaseHCatStorageHandler
using the hcat loader org.apache.hive.hcatalog.pig.HCatLoader(). Following is the pig script.
> {code}
> a = load 'pig_hbase_1' using org.apache.hive.hcatalog.pig.HCatLoader(); store a into
'/user/hcat/out/root-1380933875-pig.conf/Pig_HBase_1_0_benchmark.out';
> {code}
> Following error is thrown in the log:
> {noformat}
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobCreationException: ERROR
2017: Internal error creating job configuration.
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:850)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:296)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:190)
>         at org.apache.pig.PigServer.launchPlan(PigServer.java:1322)
>         at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1307)
>         at org.apache.pig.PigServer.execute(PigServer.java:1297)
>         at org.apache.pig.PigServer.executeBatch(PigServer.java:375)
>         at org.apache.pig.PigServer.executeBatch(PigServer.java:353)
>         at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:140)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:202)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:173)
>         at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
>         at org.apache.pig.Main.run(Main.java:607)
>         at org.apache.pig.Main.main(Main.java:156)
>         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.hadoop.util.RunJar.main(RunJar.java:212)
> Caused by: java.io.IOException: java.lang.ClassCastException: org.apache.hive.hcatalog.mapreduce.InputJobInfo
cannot be cast to org.apache.hcatalog.mapreduce.InputJobInfo
>         at org.apache.hive.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:87)
>         at org.apache.hive.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:63)
>         at org.apache.hive.hcatalog.pig.HCatLoader.setLocation(HCatLoader.java:119)
>         at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:475)
>         ... 18 more
> Caused by: java.lang.ClassCastException: org.apache.hive.hcatalog.mapreduce.InputJobInfo
cannot be cast to org.apache.hcatalog.mapreduce.InputJobInfo
>         at org.apache.hcatalog.hbase.HBaseHCatStorageHandler.configureInputJobProperties(HBaseHCatStorageHandler.java:106)
>         at org.apache.hive.hcatalog.common.HCatUtil.getInputJobProperties(HCatUtil.java:466)
>         at org.apache.hive.hcatalog.mapreduce.InitializeInput.extractPartInfo(InitializeInput.java:161)
>         at org.apache.hive.hcatalog.mapreduce.InitializeInput.getInputJobInfo(InitializeInput.java:137)
>         at org.apache.hive.hcatalog.mapreduce.InitializeInput.setInput(InitializeInput.java:86)
>         at org.apache.hive.hcatalog.mapreduce.HCatInputFormat.setInput(HCatInputFormat.java:85)
>         ... 21 more
> {noformat}
> The pig script should instead be using the org.apache.hcatalog.pig.HCatLoader() instead.



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