This is a question more appropriate for the hadoop mailing list.
But if you set HADOOP_USER_CLASSPATH_FIRST=true, it think it might help.
You can check with the hadoop shell script. (less `which hadoop`).
On 6/25/12 2:18 PM, Yang wrote:
> if I run
> hadoop jar myjar.jar
> and myjar.jar contains some hadoop classes,
> where would these hadoop classes be loaded from ? the system hadoop
> installation or from myjar.jar ?