I recently switched to the 0.4 branch to do some testing and I'm running into a problem.
When I run a query from the cli - the first one works, but the second query always fails with a NullPointerException. Did anyone else run into this ? Thanks -Matt hive> select count(1) from table1; Total MapReduce jobs = 1 Number of reduce tasks determined at compile time: 1 In order to change the average load for a reducer (in bytes): set hive.exec.reducers.bytes.per.reducer=<number> In order to limit the maximum number of reducers: set hive.exec.reducers.max=<number> In order to set a constant number of reducers: set mapred.reduce.tasks=<number> Starting Job = job_200909171501_0001, Tracking URL = http://mustique:50030/jobdetails.jsp?jobid=job_200909171501_0001 Kill Command = /home/hadoop/hadoop/bin/../bin/hadoop job -Dmapred.job.tracker=mustique:9001 -kill job_200909171501_0001 2009-09-17 03:05:54,855 map = 0%, reduce =0% 2009-09-17 03:06:02,895 map = 22%, reduce =0% 2009-09-17 03:06:06,933 map = 44%, reduce =0% 2009-09-17 03:06:11,965 map = 67%, reduce =0% 2009-09-17 03:06:15,988 map = 89%, reduce =0% 2009-09-17 03:06:20,009 map = 100%, reduce =0% 2009-09-17 03:06:25,036 map = 100%, reduce =11% 2009-09-17 03:06:30,054 map = 100%, reduce =15% 2009-09-17 03:06:31,063 map = 100%, reduce =22% 2009-09-17 03:06:34,075 map = 100%, reduce =26% 2009-09-17 03:06:36,101 map = 100%, reduce =100% Ended Job = job_200909171501_0001 OK 274087 Time taken: 45.401 seconds hive> select count(1) from table1; Total MapReduce jobs = 1 Number of reduce tasks determined at compile time: 1 In order to change the average load for a reducer (in bytes): set hive.exec.reducers.bytes.per.reducer=<number> In order to limit the maximum number of reducers: set hive.exec.reducers.max=<number> In order to set a constant number of reducers: set mapred.reduce.tasks=<number> java.lang.NullPointerException at org.apache.hadoop.hive.ql.exec.Utilities.setMapRedWork(Utilities.java:154) at org.apache.hadoop.hive.ql.exec.ExecDriver.execute(ExecDriver.java:373) at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:379) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:285) at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:123) at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:181) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:287) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.RunJar.main(RunJar.java:155) at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68) Job Submission failed with exception 'java.lang.RuntimeException(java.lang.NullPointerException)' FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.ExecDriver hive> On Thu, Sep 17, 2009 at 12:36 PM, Namit Jain <nj...@facebook.com> wrote: > https://issues.apache.org/jira/browse/HIVE-838 > > is a blocker for 0.4 - > Once this is merged, I will have another release candidate > > > -----Original Message----- > From: Johan Oskarsson [mailto:jo...@oskarsson.nu] > Sent: Wednesday, September 16, 2009 8:29 AM > To: hive-dev@hadoop.apache.org > Subject: Re: vote for release candidate for hive > > +1 based on running unit tests. > > /Johan > > Namit Jain wrote: > > Sorry, was meant for hive-dev@ > > > > From: Namit Jain [mailto:nj...@facebook.com] > > Sent: Tuesday, September 15, 2009 1:30 PM > > To: hive-u...@hadoop.apache.org > > Subject: vote for release candidate for hive > > > > > > I have created another release candidate for Hive. > > > > > > > > https://svn.apache.org/repos/asf/hadoop/hive/tags/release-0.4.0-rc1/ > > > > > > > > > > > > Let me know if it is OK to publish this release candidate. > > > > > > > > The only change from the previous candidate ( > https://svn.apache.org/repos/asf/hadoop/hive/tags/release-0.4.0-rc0/) is > the fix for > > > > https://issues.apache.org/jira/browse/HIVE-718 > > > > > > > > > > > > > > > > Thanks, > > > > -namit > > > > > > > > > >
