amplab/hive — pull request #19 by haitaoyao (2013-05-23 08:53:43+00:00)
Title: fix for the HashMap concurrent bug in Hive

As discussed in https://groups.google.com/forum/?fromgroups#!topic/shark-users/XRl3znO8jPY
I applied the path from https://issues.apache.org/jira/browse/HIVE-4141
It works in my env.