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https://issues.apache.org/jira/browse/HIVE-21111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16739375#comment-16739375
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Hive QA commented on HIVE-21111:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
0s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
35s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 3m
37s{color} | {color:blue} ql in master has 2309 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
52s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
59s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
36s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
55s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
12s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 21m 57s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc findbugs checkstyle compile |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-15574/dev-support/hive-personality.sh
|
| git revision | master / dcc8950 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-15574/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> ConditionalTask cannot be cast to MapRedTask
> --------------------------------------------
>
> Key: HIVE-21111
> URL: https://issues.apache.org/jira/browse/HIVE-21111
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 2.1.1
> Reporter: zhuwei
> Assignee: zhuwei
> Priority: Major
> Attachments: HIVE-21111.1.patch
>
>
> We met error like this in our product environment:
> java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.ConditionalTask
> cannot be cast to org.apache.hadoop.hive.ql.exec.mr.MapRedTask
> at
> org.apache.hadoop.hive.ql.optimizer.physical.AbstractJoinTaskDispatcher.dispatch(AbstractJoinTaskDispatcher.java:173)
>
> There is a bug in function
> org.apache.hadoop.hive.ql.optimizer.physical.AbstractJoinTaskDispatcher.dispatch:
> if (tsk.isMapRedTask()) {
> Task<? extends Serializable> newTask = this.processCurrentTask((MapRedTask)
> tsk,
> ((ConditionalTask) currTask), physicalContext.getContext());
> walkerCtx.addToDispatchList(newTask);
> }
> In the above code, when tsk is instance of ConditionalTask,
> tsk.isMapRedTask() still can be true, but it cannot be cast to MapRedTask.
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