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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11827) STORED AS AVRO fails SELECT COUNT(*) when empty
Date Sat, 19 Sep 2015 07:03:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14876939#comment-14876939
] 

Hive QA commented on HIVE-11827:
--------------------------------



{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/12761239/HIVE-11827.2.patch

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 9410 tests executed
*Failed tests:*
{noformat}
TestMiniSparkOnYarnCliDriver - did not produce a TEST-*.xml file
org.apache.hadoop.hive.thrift.TestHadoop20SAuthBridge.testSaslWithHiveMetaStore
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5337/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5337/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-5337/

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: 3 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12761239 - PreCommit-HIVE-TRUNK-Build

> STORED AS AVRO fails SELECT COUNT(*) when empty
> -----------------------------------------------
>
>                 Key: HIVE-11827
>                 URL: https://issues.apache.org/jira/browse/HIVE-11827
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>         Environment: CDH5.4.5
>            Reporter: Johndee Burks
>            Assignee: Yongzhi Chen
>            Priority: Minor
>         Attachments: HIVE-11827.2.patch
>
>
> If you create a table stored as avro and try to do select count(*) against the table
it will fail. The following shows this. Empty table in this situation is a table with no files.

> {code}
> hive> create table j2 (a int) stored as avro;
> OK
> Time taken: 1.069 seconds
> hive> select count(*) from j2;
> Query ID = johndee_20150915113434_d4fe99d4-7fb9-42fe-9b91-ad560eeacc48
> Total jobs = 1
> Launching Job 1 out of 1
> Number of reduce tasks determined at compile time: 1
> In order to change the average load for a reducer (in bytes):
>   set hive.exec.reducers.bytes.per.reducer=<number>
> In order to limit the maximum number of reducers:
>   set hive.exec.reducers.max=<number>
> In order to set a constant number of reducers:
>   set mapreduce.job.reduces=<number>
> java.io.IOException: org.apache.hadoop.hive.serde2.avro.AvroSerdeException: Neither avro.schema.literal
nor avro.schema.url specified, can't determine table schema
> 	at org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat.getHiveRecordWriter(AvroContainerOutputFormat.java:65)
> 	at org.apache.hadoop.hive.ql.exec.Utilities.createEmptyFile(Utilities.java:3430)
> 	at org.apache.hadoop.hive.ql.exec.Utilities.createDummyFileForEmptyPartition(Utilities.java:3463)
> 	at org.apache.hadoop.hive.ql.exec.Utilities.getInputPaths(Utilities.java:3387)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecDriver.execute(ExecDriver.java:370)
> 	at org.apache.hadoop.hive.ql.exec.mr.MapRedTask.execute(MapRedTask.java:137)
> 	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160)
> 	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:88)
> 	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1640)
> 	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1399)
> 	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1183)
> 	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:756)
> 	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.run(RunJar.java:221)
> 	at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
> Caused by: org.apache.hadoop.hive.serde2.avro.AvroSerdeException: Neither avro.schema.literal
nor avro.schema.url specified, can't determine table schema
> 	at org.apache.hadoop.hive.serde2.avro.AvroSerdeUtils.determineSchemaOrThrowException(AvroSerdeUtils.java:109)
> 	at org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat.getHiveRecordWriter(AvroContainerOutputFormat.java:63)
> 	... 24 more
> Job Submission failed with exception 'java.io.IOException(org.apache.hadoop.hive.serde2.avro.AvroSerdeException:
Neither avro.schema.literal nor avro.schema.url specified, can't determine table schema)'
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
> {code}



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