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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2013/08/12 08:14:47 UTC

[jira] [Created] (HIVE-5061) Row sampling throws NPE when used in sub-query

Navis created HIVE-5061:
---------------------------

             Summary: Row sampling throws NPE when used in sub-query
                 Key: HIVE-5061
                 URL: https://issues.apache.org/jira/browse/HIVE-5061
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
            Reporter: Navis
            Assignee: Navis
            Priority: Minor


select * from (select * from src TABLESAMPLE (1 ROWS)) x;

{noformat}
ava.lang.NullPointerException
	at org.apache.hadoop.hive.ql.parse.SplitSample.getTargetSize(SplitSample.java:103)
	at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.sampleSplits(CombineHiveInputFormat.java:487)
	at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getSplits(CombineHiveInputFormat.java:405)
	at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:1025)
	at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1017)
	at org.apache.hadoop.mapred.JobClient.access$600(JobClient.java:174)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:928)
	at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:881)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1278)
	at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:881)
	at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:855)
	at org.apache.hadoop.hive.ql.exec.mr.ExecDriver.execute(ExecDriver.java:426)
	at org.apache.hadoop.hive.ql.exec.mr.MapRedTask.execute(MapRedTask.java:144)
	at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:151)
	at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:65)
	at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1424)
	at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1204)
	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1009)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:878)
	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:259)
	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:216)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:413)
	at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:781)
	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675)
	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:614)
{noformat}

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