Oleksiy Sayankin created HIVE-19286:
---------------------------------------
Summary: NPE in MERGE operator on MR mode
Key: HIVE-19286
URL: https://issues.apache.org/jira/browse/HIVE-19286
Project: Hive
Issue Type: Bug
Reporter: Oleksiy Sayankin
Assignee: Oleksiy Sayankin
{code}
DROP TABLE IF EXISTS customer_target;
DROP TABLE IF EXISTS customer_source;
{code}
{code}
CREATE TABLE customer_target (id STRING, first_name STRING, last_name STRING,
age INT) clustered by (id) into 2 buckets stored as ORC TBLPROPERTIES
('transactional'='true');
{code}
{code}
insert into customer_target values ('001', 'John', 'Smith', 45), ('002',
'Michael', 'Watson', 27), ('003', 'Den', 'Brown', 33);
SELECT id, first_name, last_name, age FROM customer_target;
{code}
{code}
+------+-------------+------------+------+
| id | first_name | last_name | age |
+------+-------------+------------+------+
| 002 | Michael | Watson | 27 |
| 001 | John | Smith | 45 |
| 003 | Den | Brown | 33 |
+------+-------------+------------+------+
{code}
{code}
CREATE TABLE customer_source (id STRING, first_name STRING, last_name STRING,
age INT);
insert into customer_source values ('001', 'Dorothi', 'Hogward', 77), ('007',
'Alex', 'Bowee', 1), ('088', 'Robert', 'Dowson', 25);
SELECT id, first_name, last_name, age FROM customer_source;
{code}
{code}
+------+-------------+------------+------+
| id | first_name | last_name | age |
+------+-------------+------------+------+
| 088 | Robert | Dowson | 25 |
| 001 | Dorothi | Hogward | 77 |
| 007 | Alex | Bowee | 1 |
+------+-------------+------------+------+
{code}
{code}
merge into customer_target trg using customer_source src on src.id = trg.id
when matched then update set first_name = src.first_name, last_name =
src.last_name when not matched then insert values (src.id, src.first_name,
src.last_name, src.age);
{code}
{code}
2018-04-24T07:11:44,448 DEBUG [main] log.PerfLogger: <PERFLOG
method=deserializePlan
from=org.apache.hadoop.hive.ql.exec.SerializationUtilities>
2018-04-24T07:11:44,448 INFO [main] exec.SerializationUtilities: Deserializing
MapredLocalWork using kryo
2018-04-24T07:11:44,463 DEBUG [main] exec.Utilities: Hive Conf not found or
Session not initiated, use thread based class loader instead
2018-04-24T07:11:44,538 DEBUG [main] log.PerfLogger: </PERFLOG
method=deserializePlan start=1524568304448 end=1524568304538 duration=90
from=org.apache.hadoop.hive.ql.exec.SerializationUtilities>
2018-04-24T07:11:44,545 INFO [main] mr.MapredLocalTask: 2018-04-24 07:11:44
Starting to launch local task to process map join; maximum memory =
477626368
2018-04-24T07:11:44,545 DEBUG [main] mr.MapredLocalTask: initializeOperators:
trg, children = [HASHTABLESINK[37]]
2018-04-24T07:11:44,656 DEBUG [main] exec.Utilities: Hive Conf not found or
Session not initiated, use thread based class loader instead
2018-04-24T07:11:44,676 INFO [main] mr.MapredLocalTask: fetchoperator for trg
created
2018-04-24T07:11:44,676 INFO [main] exec.TableScanOperator: Initializing
operator TS[0]
2018-04-24T07:11:44,676 DEBUG [main] exec.TableScanOperator: Initialization
Done 0 TS
2018-04-24T07:11:44,676 DEBUG [main] exec.TableScanOperator: Operator 0 TS
initialized
2018-04-24T07:11:44,676 DEBUG [main] exec.TableScanOperator: Initializing
children of 0 TS
2018-04-24T07:11:44,676 DEBUG [main] exec.HashTableSinkOperator: Initializing
child 37 HASHTABLESINK
2018-04-24T07:11:44,676 INFO [main] exec.HashTableSinkOperator: Initializing
operator HASHTABLESINK[37]
2018-04-24T07:11:44,677 INFO [main] mapjoin.MapJoinMemoryExhaustionHandler:
JVM Max Heap Size: 477626368
2018-04-24T07:11:44,680 ERROR [main] mr.MapredLocalTask: Hive Runtime Error:
Map local work failed
java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.exec.ExprNodeColumnEvaluator.initialize(ExprNodeColumnEvaluator.java:57)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.JoinUtil.getObjectInspectorsFromEvaluators(JoinUtil.java:91)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.HashTableSinkOperator.initializeOp(HashTableSinkOperator.java:153)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:366)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:556)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:508)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:376)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask.initializeOperators(MapredLocalTask.java:508)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask.startForward(MapredLocalTask.java:411)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask.executeInProcess(MapredLocalTask.java:391)
~[hive-exec-2.3.3.jar:2.3.3]
at
org.apache.hadoop.hive.ql.exec.mr.ExecDriver.main(ExecDriver.java:764)
~[hive-exec-2.3.3.jar:2.3.3]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
~[?:1.8.0_161]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
~[?:1.8.0_161]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[?:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_161]
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
~[hadoop-common-2.7.2.jar:?]
at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
~[hadoop-common-2.7.2.jar:?]
{code}
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