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Date: Thu, 28 Jan 2016 18:54:39 +0000 (UTC)
From: "Hive QA (JIRA)" <jira@apache.org>
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Message-ID: <JIRA.12934602.1453933398000.241294.1454007279888@Atlassian.JIRA>
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 <JIRA.12934602.1453933398915@arcas>
Subject: [jira] [Commented] (HIVE-12947) SMB join in tez has
 ClassCastException when container reuse is on
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    [ https://issues.apache.org/jira/browse/HIVE-12947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15122099#comment-15122099 ] 

Hive QA commented on HIVE-12947:
--------------------------------


Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12784748/HIVE-12947.1.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 10037 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import
org.apache.hadoop.hive.ql.TestTxnCommands2.testInitiatorWithMultipleFailedCompactions
org.apache.hive.jdbc.TestSSL.testSSLVersion
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6780/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6780/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6780/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 12784748 - PreCommit-HIVE-TRUNK-Build

> SMB join in tez has ClassCastException when container reuse is on
> -----------------------------------------------------------------
>
>                 Key: HIVE-12947
>                 URL: https://issues.apache.org/jira/browse/HIVE-12947
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>    Affects Versions: 2.0.0
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>            Priority: Critical
>         Attachments: HIVE-12947.1.patch
>
>
> SMB join in tez has multiple work items that are connected based on input tag followed by input initialization etc. In case of container re-use, what ends up happening is that we try to reconnect the work items and fail. If we try to work around that issue by recognizing somehow that the cache was in play, we will run into other initialization issues with respect to record readers. So the plan is to disable caching of the SMB work items by clearing out during the close phase.
> {code}
> java.lang.RuntimeException: Map operator initialization failed
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.init(MapRecordProcessor.java:247)
>         at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:147)
>         at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:137)
>         at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:344)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:179)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:171)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:422)
>         at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:171)
>         at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:167)
>         at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.FileSinkOperator cannot be cast to org.apache.hadoop.hive.ql.exec.DummyStoreOperator
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.getJoinParentOp(MapRecordProcessor.java:300)
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.getJoinParentOp(MapRecordProcessor.java:302)
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.getJoinParentOp(MapRecordProcessor.java:302)
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.getJoinParentOp(MapRecordProcessor.java:302)
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.getJoinParentOp(MapRecordProcessor.java:302)
>         at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.init(MapRecordProcessor.java:189)
>         ... 15 more
> {code}


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