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https://issues.apache.org/jira/browse/HIVE-14968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15597175#comment-15597175
 ] 

Daniel Dai commented on HIVE-14968:
-----------------------------------

Seems the test failures are real. Here is one stack I saw:
{code}
java.lang.Exception: java.lang.RuntimeException: Error in configuring object
        at 
org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
        at 
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:529)
Caused by: java.lang.RuntimeException: Error in configuring object
        at 
org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:109)
        at 
org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:75)
        at 
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
        at 
org.apache.hadoop.mapred.ReduceTask.runOldReducer(ReduceTask.java:409)
        at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:392)
        at 
org.apache.hadoop.mapred.LocalJobRunner$Job$ReduceTaskRunnable.run(LocalJobRunner.java:319)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source)
        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:106)
        ... 10 more
Caused by: java.lang.RuntimeException: Reduce operator initialization failed
        at 
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:157)
        ... 14 more
Caused by: java.lang.RuntimeException: Cannot find ExprNodeEvaluator for the 
exprNodeDesc = null
        at 
org.apache.hadoop.hive.ql.exec.ExprNodeEvaluatorFactory.get(ExprNodeEvaluatorFactory.java:57)
        at 
org.apache.hadoop.hive.ql.exec.GroupByOperator.initializeOp(GroupByOperator.java:272)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:363)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:482)
        at 
org.apache.hadoop.hive.ql.exec.Operator.initializeChildren(Operator.java:439)
        at org.apache.hadoop.hive.ql.exec.Operator.initialize(Operator.java:376)
        at 
org.apache.hadoop.hive.ql.exec.mr.ExecReducer.configure(ExecReducer.java:150)
        ... 14 more
{code}

But since this Jira is for the compilation error, I will commit the patch and 
create a separate ticket for test fixes.

> Fix compilation failure on branch-1
> -----------------------------------
>
>                 Key: HIVE-14968
>                 URL: https://issues.apache.org/jira/browse/HIVE-14968
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 1.3.0
>
>         Attachments: HIVE-14968-branch-1.1.patch, 
> HIVE-14968-branch-1.2.patch, HIVE-14968.1.patch, HIVE-14968.3-branch-1.patch
>
>
> branch-1 compilation failure due to:
> HIVE-14436: Hive 1.2.1/Hitting "ql.Driver: FAILED: IllegalArgumentException 
> Error: , expected at the end of 'decimal(9'" after enabling 
> hive.optimize.skewjoin and with MR engine
> HIVE-14483 : java.lang.ArrayIndexOutOfBoundsException 
> org.apache.orc.impl.TreeReaderFactory.commonReadByteArrays
> 1.2 branch is fine.



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