[HIVE-6704] date_add()/date_sub()/datediff() fail with NPE with null input

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: UDF
• Assignee: Jason Dere
• Reporter: Jason Dere
• Created: 20/Mar/14 02:37
• Updated: 23/Mar/14 17:05
• Resolved: 23/Mar/14 17:05

Description

Similar to HIVE-6645, the following functions also get NPE error if the input is null:
date_add
date_sub
datediff

Diagnostic Messages for this Task:
Error: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row {"t":null,"si":null,"i":null,"b":null,"f":null,"d":null,"dc":null,"bo":null,"s":null,"s2":null,"ts":null,"ts2":null,"dt":null}
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:195)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163)
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row {"t":null,"si":null,"i":null,"b":null,"f":null,"d":null,"dc":null,"bo":null,"s":null,"s2":null,"ts":null,"ts2":null,"dt":null}
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:534)
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:177)
	... 8 more
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Error evaluating date_add(ts, 2)
	at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:84)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:791)
	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:92)
	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:791)
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:524)
	... 9 more
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.udf.generic.GenericUDFDateAdd.evaluate(GenericUDFDateAdd.java:144)
	at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:166)
	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:77)
	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:65)
	at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:79)
	... 13 more


FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask

Issue Links

• links to: https://reviews.apache.org/r/19447/