[jira] [Work logged] (HIVE-26724) Mask UDF failing with NPE

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-26724?focusedWorklogId=825080&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-825080 ]

ASF GitHub Bot logged work on HIVE-26724:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Nov/22 20:37
            Start Date: 10/Nov/22 20:37
    Worklog Time Spent: 10m 
      Work Description: ayushtkn opened a new pull request, #3750:
URL: https://github.com/apache/hive/pull/3750

   ### What changes were proposed in this pull request?
   
   Fetch the conf from the job context
   
   ### Why are the changes needed?
   
   In Actual Prod the session conf isn't available, it stays NULL, which leads to NPE
   
   ### Does this PR introduce _any_ user-facing change?
   
   Makes the code works.
   
   ### How was this patch tested?
   Tested the actual scenario in the prod cluster. Conf objects are shared in Unit Tests, Added a basic test for sanity to ensure nothing else breaks




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

            Worklog Id:     (was: 825080)
    Remaining Estimate: 0h
            Time Spent: 10m

> Mask UDF failing with NPE
> -------------------------
>
>                 Key: HIVE-26724
>                 URL: https://issues.apache.org/jira/browse/HIVE-26724
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Ayush Saxena
>            Assignee: Ayush Saxena
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The mask UDF fails with NPE in prod, due to unavailability of the session conf.
> Trace:
> {noformat}
> 	... 20 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.hadoop.hive.ql.udf.generic.MaskHashTransformer.transform(GenericUDFMaskHash.java:50)
> 	at org.apache.hadoop.hive.ql.udf.generic.StringTransformerAdapter.getTransformedWritable(BaseMaskUDF.java:459)
> 	at org.apache.hadoop.hive.ql.udf.generic.BaseMaskUDF.evaluate(BaseMaskUDF.java:84)
> 	at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:235)
> 	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:80)
> 	at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:68)
> 	at org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:88)
> 	... 24 more
> ], TaskAttempt 1 failed, info=[Error: Error while running task ( failure ) : attempt_1667823513257_0010_2_00_000000_1:java.lang.RuntimeException: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:351)
> 	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.run(TezProcessor.java:280)
> 	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:374){noformat}



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