[ 
https://issues.apache.org/jira/browse/HIVE-22173?focusedWorklogId=839704&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-839704
 ]

ASF GitHub Bot logged work on HIVE-22173:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 17/Jan/23 16:37
            Start Date: 17/Jan/23 16:37
    Worklog Time Spent: 10m 
      Work Description: zabetak commented on code in PR #3852:
URL: https://github.com/apache/hive/pull/3852#discussion_r1072441255


##########
ql/src/java/org/apache/hadoop/hive/ql/ppd/SyntheticJoinPredicate.java:
##########
@@ -94,8 +95,8 @@ public ParseContext transform(ParseContext pctx) throws 
SemanticException {
     // rule and passes the context along
     SyntheticContext context = new SyntheticContext(pctx);
     SemanticDispatcher disp = new DefaultRuleDispatcher(null, opRules, 
context);
-    SemanticGraphWalker ogw = new PreOrderOnceWalker(disp);
-
+    PreOrderOnceWalker ogw = new PreOrderOnceWalker(disp);
+    ogw.excludeNode(LateralViewForwardOperator.class);

Review Comment:
   Done 
(https://github.com/apache/hive/pull/3852/commits/e3c882083d7449efdc7c86ddfbf0c5e86e8c8d93)





Issue Time Tracking
-------------------

    Worklog Id:     (was: 839704)
    Time Spent: 1h  (was: 50m)

> Query with multiple lateral views hangs during compilation
> ----------------------------------------------------------
>
>                 Key: HIVE-22173
>                 URL: https://issues.apache.org/jira/browse/HIVE-22173
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 3.1.1, 4.0.0-alpha-1
>         Environment: Hive-3.1.1, Java-8
>            Reporter: Rajkumar Singh
>            Assignee: Stamatis Zampetakis
>            Priority: Critical
>              Labels: pull-request-available
>         Attachments: op_plan_4_lateral_views.pdf, thread-progress.log
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Steps To Repro:
> {code:java}
> -- create table 
> CREATE EXTERNAL TABLE `jsontable`( 
> `json_string` string) 
> ROW FORMAT SERDE 
> 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' 
> STORED AS INPUTFORMAT 
> 'org.apache.hadoop.mapred.TextInputFormat' 
> OUTPUTFORMAT 
> 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat' ;
> -- Run explain of the query
> explain SELECT
> *
> FROM jsontable
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.addr.city'), "\\[|\\]|\"", ""),',')) t1 as c1
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.addr.country'), "\\[|\\]|\"", ""),',')) t2 as c2
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.addr'), "\\[|\\]|\"", ""),',')) t3 as c3
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.addr.postalCode'), "\\[|\\]|\"", ""),',')) t4 as c4
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.addr.state'), "\\[|\\]|\"", ""),',')) t5 as c5
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.addr.streetAddressLine'), "\\[|\\]|\"", ""),',')) t6 as c6
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.dummyfield'), "\\[|\\]|\"", ""),',')) t7 as c7
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.dummyfield'), "\\[|\\]|\"", ""),',')) t8 as c8
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.dummyfield.name.suffix'), "\\[|\\]|\"", ""),',')) t9 as c9
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.id.extension'), "\\[|\\]|\"", ""),',')) t10 as c10
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.id'), "\\[|\\]|\"", ""),',')) t11 as c11
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.id.root'), "\\[|\\]|\"", ""),',')) t12 as c12
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.telecom.'), "\\[|\\]|\"", ""),',')) t13 as c13
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.dummyfield1.use'), "\\[|\\]|\"", ""),',')) t14 as c14
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield.dummyfield1.value'), "\\[|\\]|\"", ""),',')) t15 as c15
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield1.dummyfield1.code'), "\\[|\\]|\"", ""),',')) t16 as c16
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield1.dummyfield1.value'), "\\[|\\]|\"", ""),',')) t17 as c17
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.city'), "\\[|\\]|\"", ""),',')) t18 as c18
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.city'), "\\[|\\]|\"", ""),',')) t19 as c19
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.country'), "\\[|\\]|\"", ""),',')) t20 as c20
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.country'), "\\[|\\]|\"", ""),',')) t21 as c21
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield'), "\\[|\\]|\"", ""),',')) t22 as c22
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.postalCode'), "\\[|\\]|\"", ""),',')) t23 as c23
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.postalCode'), "\\[|\\]|\"", ""),',')) t24 as c24
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.state'), "\\[|\\]|\"", ""),',')) t25 as c25
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.state'), "\\[|\\]|\"", ""),',')) t26 as c26
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2'), "\\[|\\]|\"", ""),',')) t27 as c27
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.streetAddressLine'), "\\[|\\]|\"", ""),',')) t28 as c28
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield2.use'), "\\[|\\]|\"", ""),',')) t29 as c29
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield3'), "\\[|\\]|\"", ""),',')) t30 as c30
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield3'), "\\[|\\]|\"", ""),',')) t31 as c31
> lateral view 
> explode(split(regexp_replace(get_json_object(jsontable.json_string, 
> '$.jsonfield4'), "\\[|\\]|\"", ""),',')) t32 as c32
> ;
> -- it will hung forever
> {code}
> – HS2 jstacks
> {code:java}
> // 
> "8ed37c3a-be03-4f74-9afd-419d05609b9c HiveServer2-Handler-Pool: Thread-85" 
> #85 prio=5 os_prio=0 tid=0x00007f3bd873f800 nid=0x90b94 runnable 
> [0x00007f3baa6e2000]"8ed37c3a-be03-4f74-9afd-419d05609b9c 
> HiveServer2-Handler-Pool: Thread-85" #85 prio=5 os_prio=0 
> tid=0x00007f3bd873f800 nid=0x90b94 runnable [0x00007f3baa6e2000]   
> java.lang.Thread.State: RUNNABLE at 
> java.util.regex.Pattern$Curly.match0(Pattern.java:4272) at 
> java.util.regex.Pattern$Curly.match(Pattern.java:4234) at 
> java.util.regex.Pattern$Slice.match(Pattern.java:3972) at 
> java.util.regex.Pattern$GroupHead.match(Pattern.java:4658) at 
> java.util.regex.Matcher.match(Matcher.java:1270) at 
> java.util.regex.Matcher.matches(Matcher.java:604) at 
> org.apache.hadoop.hive.ql.lib.RuleRegExp.costPatternWithWildCardChar(RuleRegExp.java:236)
>  at org.apache.hadoop.hive.ql.lib.RuleRegExp.cost(RuleRegExp.java:279) at 
> org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:72)
>  at 
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:105)
>  at 
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:89)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:43)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.PreOrderOnceWalker.walk(PreOrderOnceWalker.java:54)
>  at 
> org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:120)
>  at 
> org.apache.hadoop.hive.ql.ppd.SyntheticJoinPredicate.transform(SyntheticJoinPredicate.java:106)
>  at 
> org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:250) at 
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:12423)
>  at 
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:360)
>  at 
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:289)
>  at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:664) at 
> org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1869) at 
> org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1816) at 
> org.apache.hadoop.hive.ql.Driver.compileAndRespond(Driver.java:1811) at 
> org.apache.hadoop.hive.ql.reexec.ReExecDriver.compileAndRespond(ReExecDriver.java:126)
>  at 
> org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:197)
>  at 
> org.apache.hive.service.cli.operation.SQLOperation.runInternal(SQLOperation.java:262)
>  at org.apache.hive.service.cli.operation.Operation.run(Operation.java:247) 
> at 
> org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementInternal(HiveSessionImpl.java:575)
>  at 
> org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementAsync(HiveSessionImpl.java:561)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:78)
>  at 
> org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:36)
>  at 
> org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:63)
>  at java.security.AccessController.doPrivileged(Native Method) at 
> javax.security.auth.Subject.doAs(Subject.java:422) at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
>  at 
> org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:59)
>  at com.sun.proxy.$Proxy45.executeStatementAsync(Unknown Source) at 
> org.apache.hive.service.cli.CLIService.executeStatementAsync(CLIService.java:315)
>  at 
> org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:566)
>  at 
> org.apache.hive.service.rpc.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1557)
>  at 
> org.apache.hive.service.rpc.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1542)
>  at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) at 
> org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) at 
> org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:56)
>  at 
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  at java.lang.Thread.run(Thread.java:745)
> {code}
>  
> attached 10 jstacks taken at the interval of 30 seconds.
>  



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