[jira] [Created] (HIVE-11221) In Tez mode, alter table concatenate orc files can intermittently fail with NPE

["Prasanth Jayachandran (JIRA)" <ji...@apache.org>]

Prasanth Jayachandran created HIVE-11221:
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             Summary: In Tez mode, alter table concatenate orc files can intermittently fail with NPE
                 Key: HIVE-11221
                 URL: https://issues.apache.org/jira/browse/HIVE-11221
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.3.0, 2.0.0
            Reporter: Prasanth Jayachandran
            Assignee: Prasanth Jayachandran


We are not waiting for input ready events which can trigger occasional NPE if input is not actually ready.

Stacktrace:
{code}
java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:186)
	at org.apache.hadoop.hive.ql.exec.tez.MergeFileTezProcessor.run(MergeFileTezProcessor.java:42)
	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:324)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:176)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:168)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:168)
	at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.call(TezTaskRunner.java:163)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:265)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:478)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:471)
	at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:648)
	at org.apache.tez.mapreduce.lib.MRReaderMapred.setupOldRecordReader(MRReaderMapred.java:146)
	at org.apache.tez.mapreduce.lib.MRReaderMapred.<init>(MRReaderMapred.java:73)
	at org.apache.tez.mapreduce.input.MRInput.initializeInternal(MRInput.java:483)
	at org.apache.tez.mapreduce.input.MRInputLegacy.init(MRInputLegacy.java:108)
	at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.getMRInput(MergeFileRecordProcessor.java:220)
	at org.apache.hadoop.hive.ql.exec.tez.MergeFileRecordProcessor.init(MergeFileRecordProcessor.java:72)
	at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:162)
	... 13 more
{code}



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