Hi Marcin, Sorry to hear that you ran into this. My guess is you are using Yarn and this is, in fact, a known issue.
The culprit line here is https://github.com/apache/hive/blob/branch-0.10/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java#L209 This issue is being tracked by https://issues.apache.org/jira/browse/HIVE-4003 which is assigned to me, I will try to get this in sooner than later. In the meanwhile, a workaround is to set yarn.resourcemanager.address property to some value other than "local" so Hive queries can run on your MR2 cluster. Mark On Wed, Feb 13, 2013 at 7:13 AM, Marcin Cylke <mcl.h...@touk.pl> wrote: > Hi > > I'm experiencing the following problem when running a simple query under > hive-0.10. I'm using the stock release package with CDH-4.1 > > The query need to execute map-reduce job for this to happen. For me > something along this one is sufficient: > > select count(*) from sample_table; > > The error I get looks like this and is taken from TaskTracker logs. > > INFO org.apache.hadoop.mapred.TaskStatus: task-diagnostic-info for task > attempt_201302111523_0285_m_000000_0 : java.lang.RuntimeException: > java.lang.NullPointerException > at > org.apache.hadoop.hive.ql.exec.Utilities.getMapRedWork(Utilities.java:226) > at > org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:255) > at > > org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:381) > at > > org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:374) > at > > org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:536) > at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:373) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:327) > at org.apache.hadoop.mapred.Child$4.run(Child.java:268) > 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:1332) > at org.apache.hadoop.mapred.Child.main(Child.java:262) > Caused by: java.lang.NullPointerException > at > org.apache.hadoop.hive.ql.exec.Utilities.getMapRedWork(Utilities.java:211) > ... 11 more > > > Is this a known issue? Should I report a Jira? > > Regards > Marcin >
