[ 
https://issues.apache.org/jira/browse/HIVE-22572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16992950#comment-16992950
 ] 

Hive QA commented on HIVE-22572:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| 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} 10m 
26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
13s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
44s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m 
34s{color} | {color:blue} ql in master has 1532 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
7s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
44s{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}  4m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
7s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red}  0m 
16s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 28m 15s{color} | 
{color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-19859/dev-support/hive-personality.sh
 |
| git revision | master / 22e298c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| asflicense | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-19859/yetus/patch-asflicense-problems.txt
 |
| modules | C: ql U: ql |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-19859/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> NullPointerException when using dynamic semijoin reduction
> ----------------------------------------------------------
>
>                 Key: HIVE-22572
>                 URL: https://issues.apache.org/jira/browse/HIVE-22572
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>            Reporter: Oliver Draese
>            Assignee: Oliver Draese
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-22572.1.patch, HIVE-22572.2.patch, 
> HIVE-22572.3.patch, HIVE-22572.4.patch, HIVE-22572.patch
>
>
> From HS2 logs
> Caused by: java.lang.NullPointerException
>  at 
> org.apache.hadoop.hive.ql.parse.TezCompiler.removeSemijoinOptimizationByBenefit(TezCompiler.java:1541)
>  ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at 
> org.apache.hadoop.hive.ql.parse.TezCompiler.semijoinRemovalBasedTransformations(TezCompiler.java:471)
>  ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at 
> org.apache.hadoop.hive.ql.parse.TezCompiler.optimizeOperatorPlan(TezCompiler.java:182)
>  ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at 
> org.apache.hadoop.hive.ql.parse.TaskCompiler.compile(TaskCompiler.java:148) 
> ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at 
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:12487)
>  ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at 
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:360)
>  ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at 
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:289)
>  ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:664) 
> ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]
>  at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1869) 
> ~[hive-exec-3.1.0.3.1.0.142-1.jar:3.1.0.3.1.0.142-1]



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