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question about Derby exception in Hive Server 2 log - Hive - [mail # user]
...Hi, guys,When I using Hive Server 2 (0.12), sometimes I got a Derby exception.Anyone know why the Derby exception showing up in Hive Server 2 log (I amusing MySQL as metastore)?Thanks,Johnny...
   Author: Zhang Xiaoyu, 2014-05-19, 18:54
generating ORC file as output of a mapreduce job - Hive - [mail # user]
...Hi, I am writing a MR job to generate data for Hive.  the code generates output with Text format pretty OK  job.setOutputKeyClass(NullWritable.class);  job.setOutputValueClass...
   Author: Zhang Xiaoyu, 2013-11-20, 02:11
Re: [ANNOUNCE] New Hive Committer - Prasad Mujumdar - Hive - [mail # user]
...Congrats, Prasad!  Johnny   On Mon, Nov 11, 2013 at 10:01 AM, Prasanth Jayachandran  wrote:  ...
   Author: Zhang Xiaoyu, 2013-11-12, 00:00
[expand - 2 more] - Re: exception when build Hive from source then start Hive CLI - Hive - [mail # user]
...Hi, Jay, Thanks for your reply. Do you know the way to build a Hive tarball from source? Hive recently move to maven from ant, but wiki still shows ant related command.  Johnny   O...
   Author: Zhang Xiaoyu, 2013-11-06, 17:29
Re: [ANNOUNCE] New Hive Committer - Xuefu Zhang - Hive - [mail # user]
...Congratulations! Xuefu, well deserved!  Johnny   On Sun, Nov 3, 2013 at 8:06 PM, Carl Steinbach wrote:  ...
   Author: Zhang Xiaoyu, 2013-11-04, 04:09
[expand - 2 more] - Re: zookeeper error when using HS2 in Hive 0.12 - Hive - [mail # user]
...I found two additional exception in HiveServer2 log, it might be the root cause?  1. 2013-11-03 01:12:07,586 WARN  *ZooKeeperHiveLockManager* (ZooKeeperHiveLockManager.java:checkRe...
   Author: Zhang Xiaoyu, 2013-11-03, 01:43
[expand - 1 more] - Re: exception when using Hive 0.12 with MySQL metastore - Hive - [mail # user]
...Hi, Jov, Thanks. I understand turn on those two properties resolve the problems. But I run the hive 0.12 scheme script. I assume it should create all required tables.  Johnny   On ...
   Author: Zhang Xiaoyu, 2013-10-20, 05:10
[expand - 1 more] - Re: Google ProtocolBufferException exception when using ORC file format - Hive - [mail # user]
...Thanks, Nitin, I guess, as you suggested. I can use text format in temp table (staging table), and use final table as ORC format. So when I merge data from staging table to final table, data...
   Author: Zhang Xiaoyu, 2013-10-17, 07:00
[expand - 2 more] - Re: is that possible to use Hive 0.11 with libthrift 0.7 - Hive - [mail # user]
...Hi, Timothy, Thanks for your reply. Seems jarjar is a solution for me. I have a basic question to follow:  I don't quite understand what is tag  for ?  My understand is 1. use...
   Author: Zhang Xiaoyu, 2013-10-10, 23:31
[expand - 1 more] - Re: Hive doesn't support special characters in column name - Hive - [mail # user]
...Thanks, Nitin, If I modify the antlr file to allow column name accept those special characters. What side effect potentially could be ? Will it possible break the query parsing?  Johnny...
   Author: Zhang Xiaoyu, 2013-10-08, 22:29
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