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https://issues.apache.org/jira/browse/HIVE-13745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17003831#comment-17003831
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caixiaofeng commented on HIVE-13745:
------------------------------------
Problem occur in hive-3.1.0
SQL: select unix_timestamp (max('2019-09-09'),'YYYY-MM-DD') ;
ERROR LOG:
2019-12-27 09:45:56,286 INFO [main]
org.apache.hadoop.hive.ql.exec.SerializationUtilities: Deserializing ReduceWork
using kryo
2019-12-27 09:45:56,539 INFO [main] org.apache.hadoop.hive.ql.exec.Utilities:
Deserialized plan (via FILE) - name: null size: 3.13KB
2019-12-27 09:45:56,562 INFO [main] ExecReducer:
<GBY>Id =3
<Children>
<FS>Id =8
<Children>
<\Children>
<Parent>Id = 3 null<\Parent>
<\FS>
<\Children>
<Parent><\Parent>
<\GBY>
2019-12-27 09:45:56,562 INFO [main]
org.apache.hadoop.hive.ql.exec.GroupByOperator: Initializing operator GBY[3]
2019-12-27 09:45:56,583 WARN [main] org.apache.hadoop.mapred.YarnChild:
Exception running child : java.lang.RuntimeException: Error in configuring
object
at
org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:113)
at
org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:79)
at
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:137)
at
org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:411)
at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:393)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:178)
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:1729)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:172)
Caused by: java.lang.reflect.InvocationTargetException
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.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:110)
... 9 more
Caused by: java.lang.RuntimeException: Reduce operator initialization failed
at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:155)
... 14 more
Caused by: java.lang.NullPointerException
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDFToUnixTimeStamp.initializeInput(GenericUDFToUnixTimeStamp.java:87)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDFUnixTimeStamp.initializeInput(GenericUDFUnixTimeStamp.java:44)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDFToUnixTimeStamp.initialize(GenericUDFToUnixTimeStamp.java:71)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDF.initializeAndFoldConstants(GenericUDF.java:148)
at
org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator.initialize(ExprNodeGenericFuncEvaluator.java:146)
at
org.apache.hadoop.hive.ql.exec.GroupByOperator.initializeOp(GroupByOperator.java:295)
at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:376)
at
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:148)
... 14 more
2019-12-27 09:45:56,591 INFO [main] org.apache.hadoop.mapred.Task: Running
cleanup for the task
2019-12-27 09:45:56,697 INFO [main]
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping ReduceTask metrics
system...
2019-12-27 09:45:56,697 INFO [main]
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: ReduceTask metrics system
stopped.
2019-12-27 09:45:56,698 INFO [main]
org.apache.hadoop.metrics2.impl.MetricsSystemImpl: ReduceTask metrics system
shutdown complete.
> UDF current_date、current_timestamp、unix_timestamp NPE
> -----------------------------------------------------
>
> Key: HIVE-13745
> URL: https://issues.apache.org/jira/browse/HIVE-13745
> Project: Hive
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Biao Wu
> Assignee: Biao Wu
> Priority: Major
> Attachments: HIVE-13745.1.patch, HIVE-13745.2-branch-2.patch,
> HIVE-13745.patch
>
>
> NullPointerException when current_date is used in mapreduce
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